Apex Companies
apexcos.com
Actively hiring
Engineering Services
Environmental Science
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Technologies
Salaries
Products
People
Growth
Offices
Financials
How Apex Companies hires
Truth index
B 77/100
Median time to fill
35 days
Ghost roles
0%
Stale roles
91%
Reposted roles
0%
Apex Companies scores B on the Alion truth index (A is best, E worst), measured over 34 open roles re-checked against its own hiring board: 0% look like ghost listings, 91% have gone stale and 0% are the same role posted again. Its roles close in a median of 35 days. It measures how much of what this employer publishes turns into a real, finite search - not the employer as a workplace. How the index is computed
Overview
Apex Companies is a multidisciplinary environmental consulting and engineering firm providing solutions in water management, infrastructure, health and safety, and environmental compliance. The enterprise supports commercial and public sector clients with end-to-end technical services, including site remediation, stormwater management, and regulatory advisory. Headquartered in Rockville, Maryland, it operates a nationwide network of offices across the United States.
News
Apex Companies, LLC Named a 2026 Hot Firm by Zweig Group
Recognition highlights sustained growth, strategic leadership, and industry excellence. Rockville, MD-Apex Companies, LLC (Apex) has been recognized as a 2026 Hot Firm by Zweig Group, the leading provider of management consulting, research, and education
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Report
Corporate Water Disclosure: Reporting and Assurance
Apex reviewed water reporting practices of 58 publicly listed companies that underwent independent assurance of their water data in Reporting Year (RY) 2024-2025. Our analysis shows that corporate water disclosures overwhelmingly emphasize quantity metric
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Report
CWE Joins Apex Companies
Apex Companies announced the acquisition of CWE, an award-winning civil infrastructure, water resources, and environmental engineering services firm with multiple offices in California.
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Report
Tully, Inc. Joins Apex Companies
Apex Companies announced the acquisition of Tully, Inc., (Tully Consulting Group), a Northern California-based firm specializing in stormwater management and civil engineering.
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Report
AquaWorks DBO, Inc. Joins Apex Companies
ApexCompanies announced the acquisition of AquaWorks DBO, Inc., an award winning civil and environmental engineering firm dedicated to creating top-quality small-scale water and wastewater treatment systems.
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Report
Forsgren Associates, Inc. Joins Apex Companies
ApexCompanies announced the acquisition of Forsgren Associates, a multi-discipline civil engineering and environmental sciences consulting firm in the Intermountain west region.
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Report
Apex Companies Welcomes New Chief Growth Officer, Eric Putnam
Apex Companies is pleased to announce the appointment of Eric Putnam as Chief Chief Growth Officer (CGO). Eric brings more than 26 years of executive experience in operations, strategic account leadership, and market development. He has built and led high
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Report
Apex Companies Welcomes New Chief Technology and Innovation Officer, Keith Zecchini
Apex is pleased to announce the appointment of Keith Zecchini as Chief Technology and Innovation Officer (CTIO). Keith brings more than 30 years of global technology leadership in the architecture, engineering, and construction (AEC) industry. He has held
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Report
NAEM FORUM25
Apex is proud to take part in NAEM's 25th Annual ESG & Sustainability Management Forum, bringing together industry leaders to collaborate, share ideas, and drive progress in ESG and sustainability management. Visit us at booth #220! Learn More and Registe
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Report
ORPA Annual Conference
Apex is proud to sponsor the Oregon Recreation & Parks Association (ORPA) Annual Conference. The Annual Conference brings together parks, recreation, and community services professionals from across the state to share knowledge, ideas, and best practices.
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Report
Tech stack
Technologies named in job postings at Apex Companies over the last 12 months, by layer, with the share of postings for each.
Technologies in use
31
Postings analysed
78
Stack modernity
67/100
Languages
Python5%
Ruby4%
SQL4%
C#1%
Cloud & platforms
Power BI6%
Azure4%
Domo3%
Tableau3%
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Full Apex Companies tech stack
31 technologies · by team · pay by technology · changes · similar stacks
Salary insights
Compensation ranges based on this company's open jobs
Median
$90k
Typical range
$42k – $750k
Open positions
111
105
Jobs
Junior
47.6%
Middle
7.6%
Senior
19%
Staff
11.4%
Principal
13.3%
Architect
1%
| Level | Jobs | Median | Typical range |
|---|---|---|---|
| Junior | 50 | $48k | $42k – $125k |
| Middle | 8 | $110k | $44k – $143k |
| Senior | 20 | $135k | $90k – $750k |
| Staff | 12 | $155k | $46k – $200k |
| Principal | 14 | $200k | $170k – $220k |
| Architect | 1 | $200k | $200k |
Highest paying role
Senior Civil Engineer
$750k
Normalized to USD per year
All salaries at Apex Companies
By role, level and city, against the market · 111 jobs with pay
Growth
Hiring Momentum
83/100
Scaling fast
Open positions
163
56 opened / 70 closed in 30 days
Median time-to-fill
35 days
faster than 36% of the market
ATS activity
Every ~4 hours
Today
Hiring Dynamics
+100%
Hiring Focus
The percentage next to each role is its share of the company's job openings over the last 90 days; the arrow shows the shift versus the previous period.
Field & Service
32% ▼
Early Careers
20% ▲
Management
14% ▼
Industrial Engineering
14% ▼
Science & Research
8%
Administrative
2%
Actively hiring for Field & Service (+27 in 30 days)
Activity Timeline
New location: Brentwood
Oct 2026
New location: Springfield
Oct 2026
New location: Mesa
Oct 2026
New location: Dallas
Oct 2026
Added Agile to stack
Oct 2026
Added Copilot Studio to stack
Oct 2026
Added Windows Server to stack
Sep 2026
Added Windows to stack
Sep 2026
Added TCP/IP to stack
Sep 2026
Added PowerShell to stack
Sep 2026
Added DNS to stack
Sep 2026
Added DHCP to stack
Sep 2026
Offices
Where the company hires and what each office is for
Cities
95
Hiring now
80
Countries
3
Busiest office
Rockville
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Headquarters
Builds here
Office with open vacancies
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Rockville
United States
HQ
MD - Rockville
3 open roles 5 posted in 90 days 50-200 est. staff $130k Avg Salary
hires for Management
Fort Myers
United States
Plant / site
FL - Fort Myers (JE)
15 open roles 25 posted in 90 days 200-500 est. staff
hires for Management, Field & Service, Industrial Engineering
Providence
United States
Corporate office
RI - Providence
11 open roles 10 posted in 90 days 9% engineering 50-200 est. staff $138k Avg Salary
hires for Management, Industrial Engineering, Science & Research
Naples
Italy
Corporate office
8 open roles 8 posted in 90 days 50-200 est. staff
hires for Management, Field & Service, Operations
Thousand Oaks
United States
Regional office
CA - Thousand Oaks
5 open roles 6 posted in 90 days 50-200 est. staff $190k Avg Salary
hires for Leadership, Early Careers, Field & Service
Portland
United States
Corporate office
WA - Vancouver
5 open roles 7 posted in 90 days 50-200 est. staff $190k Avg Salary
hires for Management, Industrial Engineering
Charlotte
United States
Plant / site
FL - Fort Myers (JE)
5 open roles 6 posted in 90 days 50-200 est. staff
hires for Management, Industrial Engineering, Field & Service
Boise
United States
Corporate office
ID - Boise (FA)
4 open roles 7 posted in 90 days 50-200 est. staff $90k Avg Salary
hires for Administrative, Management, Industrial Engineering
Pittsburgh
United States
Plant / site
PA - Pittsburgh (CSW)
4 open roles 6 posted in 90 days 50-200 est. staff $53k Avg Salary
hires for Field & Service, Early Careers
Signal Hill
United States
Regional office
CA - Signal Hill (CSW)
4 open roles 3 posted in 90 days 50-200 est. staff $190k Avg Salary
hires for Early Careers
Fullerton
United States
Plant / site
CA - Fullerton (CWE)
4 open roles 2 posted in 90 days 25% engineering 10-50 est. staff $150k Avg Salary
hires for Industrial Engineering, Management, Science & Research
Seattle
United States
Regional office
WA - Seattle
4 open roles 2 posted in 90 days 25% engineering 10-50 est. staff $157k Avg Salary
hires for Early Careers, Management, Science & Research
Roseville
United States
Plant / site
CA - Roseville
4 open roles 2 posted in 90 days 10-50 est. staff $149k Avg Salary
hires for Management, Field & Service, Industrial Engineering
Somerset
United States
Plant / site
PA - Somerset
4 open roles 1 posted in 90 days 10-50 est. staff
hires for Field & Service, Industrial Engineering
Quincy
United States
Regional office
MA - Quincy
3 open roles 9 posted in 90 days 50-200 est. staff $118k Avg Salary
hires for Early Careers, Industrial Engineering
Pleasant Hill
United States
Regional office
CA - Pleasant Hill
3 open roles 6 posted in 90 days 10-50 est. staff $165k Avg Salary
hires for Leadership, Field & Service, Early Careers
Glastonbury
United States
Regional office
CT - Glastonbury
3 open roles 5 posted in 90 days 33% engineering 10-50 est. staff $83k Avg Salary
hires for Management, Science & Research, Early Careers
Tampa
United States
Corporate office
FL - Fort Myers (JE)
3 open roles 5 posted in 90 days 10-50 est. staff
hires for Management, Early Careers
Vancouver
United States
Plant / site
WA - Vancouver
3 open roles 2 posted in 90 days 10-50 est. staff $453k Avg Salary
hires for Management, Field & Service, Industrial Engineering
Denver
United States
Plant / site
CO - Denver (FA)
3 open roles 4 posted in 90 days 33% remote 10-50 est. staff $152k Avg Salary
hires for Industrial Engineering, Early Careers
Salt Lake City
United States
Corporate office
3 open roles 4 posted in 90 days 10-50 est. staff $90k Avg Salary
hires for Administrative, Management, Early Careers
Minneapolis
United States
Sales office
US - Commercial Stormwater
3 open roles 1 posted in 90 days 33% remote 10-50 est. staff $98k Avg Salary
hires for Field & Service, Early Careers
Livermore
United States
Regional office
CA - Livermore (SWIMS)
3 open roles 2 posted in 90 days 10-50 est. staff $49k Avg Salary
hires for Early Careers, Administrative
Jackson
United States
Plant / site
CSW
3 open roles 3 posted in 90 days 10-50 est. staff $46k Avg Salary
hires for Field & Service
Richland
United States
Plant / site
WA - Tri-Cities
3 open roles 1 posted in 90 days 10-50 est. staff $363k Avg Salary
hires for Field & Service, Industrial Engineering
Iselin
United States
NJ - Iselin
2 open roles 7 posted in 90 days 50% engineering 50-200 est. staff $78k Avg Salary
hires for Science & Research, Early Careers
Greensburg
United States
Plant / site
PA - Greensburg
2 open roles 3 posted in 90 days 10-50 est. staff
hires for Management, Field & Service
Chicago
United States
IL - Chicago
2 open roles 3 posted in 90 days 50% engineering 50% remote 10-50 est. staff $138k Avg Salary
hires for Science & Research, Early Careers
Atlanta
United States
GA - Atlanta (CSW)
2 open roles 2 posted in 90 days 10-50 est. staff $45k Avg Salary
hires for Field & Service
Nashville
United States
Sales office
US - Commercial Stormwater
2 open roles 3 posted in 90 days 10-50 est. staff $48k Avg Salary
hires for Field & Service, Industrial Engineering
Sioux Falls
United States
SD - Sioux Falls (CSW)
2 open roles 2 posted in 90 days 10-50 est. staff $50k Avg Salary
hires for Field & Service
Lakewood
United States
Regional office
CO - Lakewood (HSE)
2 open roles 1 posted in 90 days 10-50 est. staff $68k Avg Salary
hires for Early Careers
Baton Rouge
United States
LA - Baton Rouge (CSW)
2 open roles 3 posted in 90 days 10-50 est. staff $45k Avg Salary
hires for Field & Service
Austin
United States
TX - Austin
2 open roles 3 posted in 90 days 50% engineering 50% remote 10-50 est. staff $200k Avg Salary
hires for Science & Research, Early Careers
Fort Worth
United States
TX - Ft Worth (CSW)
2 open roles 3 posted in 90 days 10-50 est. staff $45k Avg Salary
hires for Field & Service
San Antonio
United States
TX - San Antonio
2 open roles 3 posted in 90 days 50% engineering 50% remote 10-50 est. staff $200k Avg Salary
hires for Science & Research, Early Careers
Baltimore
United States
MD - Baltimore (CSW)
2 open roles 1 posted in 90 days 10-50 est. staff $45k Avg Salary
hires for Field & Service
Albuquerque
United States
NM - Albuquerque (CSW)
2 open roles 1 posted in 90 days 10-50 est. staff $45k Avg Salary
hires for Field & Service
Tulsa
United States
OK - Tulsa (CSW)
2 open roles 1 posted in 90 days 50% remote 10-50 est. staff $42k Avg Salary
hires for Field & Service, Industrial Engineering
Lenexa
United States
KS - Lenexa (CSW)
2 open roles 1 posted in 90 days 10-50 est. staff $45k Avg Salary
hires for Field & Service
Malvern
United States
PA - Malvern (CSW)
2 open roles 2 posted in 90 days 10-50 est. staff $45k Avg Salary
hires for Field & Service
Lansing
United States
Sales office
US - Commercial Stormwater
2 open roles 2 posted in 90 days 10-50 est. staff $45k Avg Salary
hires for Field & Service
Walla Walla
United States
WA - Walla Walla
2 open roles 1 posted in 90 days 10-50 est. staff $475k Avg Salary
hires for Industrial Engineering
Freehold
United States
NJ - Freehold (CSW)
2 open roles 1 posted in 90 days 10-50 est. staff $46k Avg Salary
hires for Field & Service
Marathon
United States
FL - Marathon (WEC)
2 open roles 1 posted in 90 days 10-50 est. staff
hires for Management, Industrial Engineering
Dallas
United States
TX - Austin
2 open roles 2 posted in 90 days 50% engineering 50% remote 10-50 est. staff $200k Avg Salary
hires for Science & Research, Early Careers
Woburn
United States
Sales office
MA - Woburn
2 open roles 2 posted in 90 days 10-50 est. staff $90k Avg Salary
hires for Administrative, Early Careers
Vancouver
Canada
2 open roles 2 posted in 90 days 10-50 est. staff $190k Avg Salary
hires for Management, Industrial Engineering
Athens
United States
PA - Athens (CSW)
2 open roles 2 posted in 90 days 10-50 est. staff $45k Avg Salary
hires for Field & Service
Windsor
United States
CT - Windsor (CSW)
1 open roles 3 posted in 90 days 10-50 est. staff $48k Avg Salary
hires for Field & Service
Phoenix
United States
Regional office
AZ - Phoenix (CSW)
1 open roles 2 posted in 90 days 10-50 est. staff $48k Avg Salary
hires for Field & Service
San Juan Capistrano
United States
Regional office
CA - San Juan Capistrano (SWIMS)
1 open roles 3 posted in 90 days 10-50 est. staff
hires for Field & Service
Los Angeles
United States
US - Remote
1 open roles 2 posted in 90 days 100% engineering 10-50 est. staff $85k Avg Salary
hires for Science & Research
Jacksonville
United States
FL - Jacksonville (CSW)
1 open roles 10-50 est. staff $42k Avg Salary
hires for Field & Service
Houston
United States
1 open roles 2 posted in 90 days 100% remote 10-50 est. staff $200k Avg Salary
hires for Early Careers
Saint Louis
United States
MO - St. Louis (CSW)
1 open roles 1 posted in 90 days 10-50 est. staff $60k Avg Salary
hires for Early Careers
Bloomington
United States
MN - Bloomington
1 open roles 1 posted in 90 days 10-50 est. staff $95k Avg Salary
hires for Management
Bossier City
United States
LA - Bossier City (CSW)
1 open roles 1 posted in 90 days 10-50 est. staff $42k Avg Salary
hires for Field & Service
Raymond
United States
NH - Raymond (CSW)
1 open roles 10-50 est. staff $42k Avg Salary
hires for Field & Service
Jurupa Valley
United States
Regional office
CA - Jurupa Valley (SWIMS)
1 open roles 2 posted in 90 days 10-50 est. staff
hires for Field & Service
Wichita
United States
KS - Wichita (Client Site)
1 open roles 2 posted in 90 days 10-50 est. staff $48k Avg Salary
hires for Field & Service
Merritt Island
United States
FL - Merritt Island (Client Site)
1 open roles 2 posted in 90 days 10-50 est. staff
hires for Early Careers
Sacramento
United States
Regional office
CA - Sacramento (CSW)
1 open roles 1 posted in 90 days 100% remote 1-10 est. staff
hires for Early Careers
Oklahoma City
United States
US - Remote
1 open roles 1 posted in 90 days 100% remote 1-10 est. staff
hires for Industrial Engineering
Bend
United States
OR - Bend
1 open roles 1 posted in 90 days 1-10 est. staff
hires for Management
Gulfport
United States
MS - Gulfport (CSW)
1 open roles 1 posted in 90 days 1-10 est. staff $42k Avg Salary
hires for Field & Service
Mesa
United States
Regional office
AZ - Mesa (Client Site)
1 open roles 1 posted in 90 days 1-10 est. staff $48k Avg Salary
hires for Field & Service
Manchester
United States
NH
1 open roles 1 posted in 90 days 1-10 est. staff $220k Avg Salary
hires for Early Careers
State College
United States
PA - St College (CSW)
1 open roles 1-10 est. staff $42k Avg Salary
hires for Field & Service
Indianapolis
United States
OH - Blue Ash
1 open roles 1 posted in 90 days 1-10 est. staff $150k Avg Salary
hires for Management
Brentwood
United States
Regional office
CA - Brentwood (SWIMS)
1 open roles 1 posted in 90 days 1-10 est. staff $200k Avg Salary
hires for Early Careers
Albany
United States
NY
1 open roles 1 posted in 90 days 1-10 est. staff $220k Avg Salary
hires for Early Careers
Bridgeport
United States
CT
1 open roles 1 posted in 90 days 1-10 est. staff $220k Avg Salary
hires for Early Careers
San Francisco
United States
CA - Dixon (Tully)
1 open roles 1 posted in 90 days 100% remote 1-10 est. staff
hires for Early Careers
Raleigh
United States
NC - Raleigh (CSW)
1 open roles 1 posted in 90 days 1-10 est. staff $75k Avg Salary
hires for Early Careers
Ashland
United States
VA - Ashland (CSW)
1 open roles 1 posted in 90 days 1-10 est. staff $42k Avg Salary
hires for Field & Service
Midlothian
United States
VA - Midlothian
1 open roles 1 posted in 90 days 100% engineering 1-10 est. staff
hires for Science & Research
Eastham
United States
MA - Hyannis
1 open roles 1 posted in 90 days 1-10 est. staff $105k Avg Salary
hires for Early Careers
Eugene
United States
OR - Eugene
1 open roles 1 posted in 90 days 1-10 est. staff
hires for Early Careers
Naples
United States
FL - Naples (JE)
1 open roles 1 posted in 90 days 1-10 est. staff
hires for Field & Service
Dixon
United States
Regional office
CA - Dixon (Tully)
2 posted in 90 days 10-50 est. staff
Colorado Springs
United States
Regional office
CO - Colorado Springs
1-10 est. staff
Mobile
United States
Regional office
AL - Mobile (CSW)
1 posted in 90 days 1-10 est. staff
Fontana
United States
Regional office
CA - Fontana (CSW)
1 posted in 90 days 1-10 est. staff
Anchorage
United States
Regional office
AK - Anchorage (CSW)
San Diego
United States
Regional office
CA - San Diego
Long Beach
United States
Regional office
CA - Long Beach (Client Site)
Oxnard
United States
Regional office
CA - Oxnard (SWIMS)
Westminster
United States
Regional office
CO - Westminster (CSW)
Palmdale
United States
Regional office
CA - Palmdale (Client Site)
Modesto
United States
Regional office
CA - Modesto (CSW)
Ketchikan
United States
Regional office
AK - Ketchikan (Client Site)
Carlsbad
United States
Regional office
CA - Carlsbad
Truckee
United States
Regional office
CA - Truckee
Grand Junction
United States
Regional office
CO - Grand Junction
Earlier presence
Manassas, United States
San Marcos, United States
Grenada, United States
Buffalo, United States
Urbandale, United States
Novi, United States
Boston, United States
Charleston, United States
Spokane, United States
Issaquah, United States
Fort Lauderdale, United States
Idaho Falls, United States
Springfield, United States