{"investor":{"id":705389,"name":"Lime Rock Partners","domain":"lrpartners.com","type":"pe","url":"https://alion.io/company/lime-rock-partners"},"answer":"Lime Rock Partners (Private equity) is known to hold 49 companies, 2 of them startups. 6 of them are hiring now, with 1,006 open roles. Most of them work in Oil & Gas, Petroleum & Mining Engineering, Fossil Fuels.","investments":49,"startups":2,"hiring_now":6,"open_roles":1006,"growing":6,"frozen":0,"exits":6,"closed":0,"deals_12m":0,"led_12m":0,"portfolio_rounds_12m":0,"portfolio_raised_12m_usd":0,"added_90d":0,"focus":[{"name":"Oil & Gas","share_pct":22},{"name":"Petroleum & Mining Engineering","share_pct":8},{"name":"Fossil Fuels","share_pct":6},{"name":"Maintenance, Repair & Operations (MRO)","share_pct":2},{"name":"Engineering Services","share_pct":2},{"name":"Testing, Inspection & Certification","share_pct":2},{"name":"Fraud Detection","share_pct":2},{"name":"Email Marketing","share_pct":2}],"countries":[{"name":"United States","share_pct":8},{"name":"United Kingdom","share_pct":4},{"name":"United Arab Emirates","share_pct":2}],"stages":[{"name":"Venture, series not stated","share_pct":100}],"coinvestors":[{"name":"Souter Investments","url":"https://alion.io/company/souter-investments"}],"similar_investors":[{"name":"NGP","url":"https://alion.io/company/ngp-2"},{"name":"Tailwater Capital","url":"https://alion.io/company/tailwater-capital"},{"name":"Carnelian Energy Capital","url":"https://alion.io/company/carnelian-energy-capital"},{"name":"Energy Spectrum Capital","url":"https://alion.io/company/energy-spectrum-capital"},{"name":"Crestview Partners","url":"https://alion.io/company/crestview-partners"},{"name":"ArcLight Capital Partners","url":"https://alion.io/company/arclight-capital-partners"},{"name":"Buckthorn Partners","url":"https://alion.io/company/buckthorn-partners"},{"name":"Stonepeak","url":"https://alion.io/company/stonepeak"}],"holdings":[{"name":"Abvalve","domain":"abvalve.com","url":"https://alion.io/company/abvalve","country":null,"startup":false,"open_roles":0,"sources":["portfolio_page"],"first_seen":"2026-10-03","added_to_portfolio_page":null,"led_a_round":false,"latest_round":null},{"name":"Acteon","domain":"acteon.com","url":"https://alion.io/company/acteon-com","country":null,"startup":true,"open_roles":0,"sources":["portfolio_page"],"first_seen":"2026-10-03","added_to_portfolio_page":null,"led_a_round":false,"latest_round":null},{"name":"airiswellsite.com","domain":"airiswellsite.com","url":"https://alion.io/company/airiswellsite","country":null,"startup":false,"open_roles":0,"sources":["portfolio_page"],"first_seen":"2026-10-03","added_to_portfolio_page":null,"led_a_round":false,"latest_round":null},{"name":"Archer - The Well Company","domain":"archerwell.com","url":"https://alion.io/company/archerwell","country":null,"startup":false,"open_roles":0,"sources":["portfolio_page"],"first_seen":"2026-10-03","added_to_portfolio_page":null,"led_a_round":false,"latest_round":null},{"name":"Arena Energy","domain":"arenaenergy.com","url":"https://alion.io/company/arenaenergy","country":null,"startup":false,"open_roles":0,"sources":["portfolio_page"],"first_seen":"2026-10-03","added_to_portfolio_page":null,"led_a_round":false,"latest_round":null},{"name":"Axis Energy Services, LLC","domain":"axisofs.com","url":"https://alion.io/company/axisofs","country":null,"startup":false,"open_roles":0,"sources":["portfolio_page"],"first_seen":"2026-10-03","added_to_portfolio_page":null,"led_a_round":false,"latest_round":null},{"name":"Baker Hughes","domain":"bakerhughes.com","url":"https://alion.io/company/bakerhughes","country":"United States","startup":false,"open_roles":674,"sources":["portfolio_page"],"first_seen":"2026-10-03","added_to_portfolio_page":null,"led_a_round":false,"latest_round":null},{"name":"Battlecatoil","domain":"battlecatoil.com","url":"https://alion.io/company/battlecatoil","country":null,"startup":false,"open_roles":0,"sources":["portfolio_page"],"first_seen":"2026-10-03","added_to_portfolio_page":null,"led_a_round":false,"latest_round":null},{"name":"capstonenr.com","domain":"capstonenr.com","url":"https://alion.io/company/capstonenr","country":null,"startup":false,"open_roles":0,"sources":["portfolio_page"],"first_seen":"2026-10-03","added_to_portfolio_page":null,"led_a_round":false,"latest_round":null},{"name":"Chevron","domain":"chevron.com","url":"https://alion.io/company/chevron","country":"United States","startup":false,"open_roles":165,"sources":["portfolio_page"],"first_seen":"2026-10-03","added_to_portfolio_page":null,"led_a_round":false,"latest_round":null},{"name":"Chinookenergyinc","domain":"chinookenergyinc.com","url":"https://alion.io/company/chinookenergyinc","country":null,"startup":false,"open_roles":0,"sources":["portfolio_page"],"first_seen":"2026-10-03","added_to_portfolio_page":null,"led_a_round":false,"latest_round":null},{"name":"Cor4oil","domain":"cor4oil.com","url":"https://alion.io/company/cor4oil","country":null,"startup":false,"open_roles":0,"sources":["portfolio_page"],"first_seen":"2026-10-03","added_to_portfolio_page":null,"led_a_round":false,"latest_round":null},{"name":"Crown Quest","domain":"crownquest.com","url":"https://alion.io/company/crownquest","country":null,"startup":false,"open_roles":0,"sources":["portfolio_page"],"first_seen":"2026-10-03","added_to_portfolio_page":null,"led_a_round":false,"latest_round":null},{"name":"crownrockminerals.com","domain":"crownrockminerals.com","url":"https://alion.io/company/crownrockminerals","country":null,"startup":false,"open_roles":0,"sources":["portfolio_page"],"first_seen":"2026-10-03","added_to_portfolio_page":null,"led_a_round":false,"latest_round":null},{"name":"Duon","domain":"duon.pl","url":"https://alion.io/company/duon","country":null,"startup":false,"open_roles":0,"sources":["portfolio_page"],"first_seen":"2026-10-03","added_to_portfolio_page":null,"led_a_round":false,"latest_round":null},{"name":"EnerMech","domain":"enermech.com","url":"https://alion.io/company/enermech","country":"United Kingdom","startup":false,"open_roles":141,"sources":["portfolio_page"],"first_seen":"2026-10-03","added_to_portfolio_page":null,"led_a_round":false,"latest_round":null},{"name":"EVCAM 2026 window","domain":"evcam.com","url":"https://alion.io/company/evcam","country":null,"startup":false,"open_roles":0,"sources":["portfolio_page"],"first_seen":"2026-10-03","added_to_portfolio_page":null,"led_a_round":false,"latest_round":null},{"name":"Iklanbandarjudi","domain":"iklanbandarjudi.com","url":"https://alion.io/company/iklanbandarjudi","country":null,"startup":false,"open_roles":0,"sources":["portfolio_page"],"first_seen":"2026-10-03","added_to_portfolio_page":null,"led_a_round":false,"latest_round":null},{"name":"Iracore","domain":"iracore.com","url":"https://alion.io/company/iracore","country":null,"startup":false,"open_roles":0,"sources":["portfolio_page"],"first_seen":"2026-10-03","added_to_portfolio_page":null,"led_a_round":false,"latest_round":null},{"name":"Laricinaenergy","domain":"laricinaenergy.com","url":"https://alion.io/company/laricinaenergy","country":null,"startup":false,"open_roles":0,"sources":["portfolio_page"],"first_seen":"2026-10-03","added_to_portfolio_page":null,"led_a_round":false,"latest_round":null},{"name":"Lime Rock Resources","domain":"limerockresources.com","url":"https://alion.io/company/limerockresources","country":null,"startup":false,"open_roles":0,"sources":["portfolio_page"],"first_seen":"2026-10-03","added_to_portfolio_page":null,"led_a_round":false,"latest_round":null},{"name":"Nabors Industries","domain":"nabors.com","url":"https://alion.io/company/nabors-industries","country":"United States","startup":false,"open_roles":151,"sources":["portfolio_page"],"first_seen":"2026-10-03","added_to_portfolio_page":null,"led_a_round":false,"latest_round":null},{"name":"OiLSERV","domain":"oilserv.com","url":"https://alion.io/company/oilserv","country":null,"startup":false,"open_roles":5,"sources":["portfolio_page"],"first_seen":"2026-10-03","added_to_portfolio_page":null,"led_a_round":false,"latest_round":null},{"name":"Pentacorenergy","domain":"pentacorenergy.com","url":"https://alion.io/company/pentacorenergy","country":null,"startup":false,"open_roles":0,"sources":["portfolio_page"],"first_seen":"2026-10-03","added_to_portfolio_page":null,"led_a_round":false,"latest_round":null},{"name":"Perf","domain":"perf.com","url":"https://alion.io/company/perf-2","country":null,"startup":false,"open_roles":0,"sources":["portfolio_page"],"first_seen":"2026-10-03","added_to_portfolio_page":null,"led_a_round":false,"latest_round":null},{"name":"Prairie Energy","domain":"prairieep.com","url":"https://alion.io/company/prairieep","country":null,"startup":false,"open_roles":0,"sources":["portfolio_page"],"first_seen":"2026-10-03","added_to_portfolio_page":null,"led_a_round":false,"latest_round":null},{"name":"Reelwell","domain":"reelwell.com","url":"https://alion.io/company/reelwell","country":null,"startup":false,"open_roles":0,"sources":["portfolio_page"],"first_seen":"2026-10-03","added_to_portfolio_page":null,"led_a_round":false,"latest_round":null},{"name":"Reveal energy","domain":"reveal-energy.com","url":"https://alion.io/company/reveal-energy","country":null,"startup":false,"open_roles":0,"sources":["portfolio_page"],"first_seen":"2026-10-03","added_to_portfolio_page":null,"led_a_round":false,"latest_round":null},{"name":"Rod and Tubing Services","domain":"rtsinspection.com","url":"https://alion.io/company/rtsinspection","country":null,"startup":false,"open_roles":0,"sources":["portfolio_page"],"first_seen":"2026-10-03","added_to_portfolio_page":null,"led_a_round":false,"latest_round":null},{"name":"Roxar","domain":"roxar.com","url":"https://alion.io/company/roxar","country":null,"startup":false,"open_roles":0,"sources":["portfolio_page"],"first_seen":"2026-10-03","added_to_portfolio_page":null,"led_a_round":false,"latest_round":null},{"name":"Sensa","domain":"sensa.org","url":"https://alion.io/company/sensa-2","country":null,"startup":true,"open_roles":0,"sources":["portfolio_page"],"first_seen":"2026-10-03","added_to_portfolio_page":null,"led_a_round":false,"latest_round":null},{"name":"Senscient","domain":"senscient.com","url":"https://alion.io/company/senscient-2","country":null,"startup":false,"open_roles":0,"sources":["portfolio_page"],"first_seen":"2026-10-03","added_to_portfolio_page":null,"led_a_round":false,"latest_round":null},{"name":"Serimax","domain":"serimax.com","url":"https://alion.io/company/serimax","country":null,"startup":false,"open_roles":0,"sources":["portfolio_page"],"first_seen":"2026-10-03","added_to_portfolio_page":null,"led_a_round":false,"latest_round":null},{"name":"Shelf Drilling","domain":"shelfdrilling.com","url":"https://alion.io/company/shelfdrilling","country":"United Arab Emirates","startup":false,"open_roles":0,"sources":["portfolio_page"],"first_seen":"2026-10-03","added_to_portfolio_page":null,"led_a_round":false,"latest_round":null},{"name":"Silixa","domain":"silixa.com","url":"https://alion.io/company/silixa","country":null,"startup":false,"open_roles":0,"sources":["portfolio_page"],"first_seen":"2026-10-03","added_to_portfolio_page":null,"led_a_round":false,"latest_round":{"type":"Venture round","amount_usd":null,"date":"2022-07-26"}},{"name":"Silvertip Completion Services","domain":"silvertipcompletions.com","url":"https://alion.io/company/silvertipcompletions","country":"United States","startup":false,"open_roles":0,"sources":["portfolio_page"],"first_seen":"2026-10-03","added_to_portfolio_page":null,"led_a_round":false,"latest_round":null},{"name":"Swoil","domain":"swoil.com","url":"https://alion.io/company/swoil-2","country":null,"startup":false,"open_roles":0,"sources":["portfolio_page"],"first_seen":"2026-10-03","added_to_portfolio_page":null,"led_a_round":false,"latest_round":null},{"name":"tgtoil.com","domain":"tgtoil.com","url":"https://alion.io/company/tgtoil","country":null,"startup":false,"open_roles":0,"sources":["portfolio_page"],"first_seen":"2026-10-03","added_to_portfolio_page":null,"led_a_round":false,"latest_round":null},{"name":"tiwayoil.com","domain":"tiwayoil.com","url":"https://alion.io/company/tiwayoil","country":null,"startup":false,"open_roles":0,"sources":["portfolio_page"],"first_seen":"2026-10-03","added_to_portfolio_page":null,"led_a_round":false,"latest_round":null},{"name":"transformex.com.au","domain":"transformex.com.au","url":"https://alion.io/company/transformex","country":null,"startup":false,"open_roles":0,"sources":["portfolio_page"],"first_seen":"2026-10-03","added_to_portfolio_page":null,"led_a_round":false,"latest_round":null},{"name":"Twisterbv","domain":"twisterbv.com","url":"https://alion.io/company/twisterbv","country":null,"startup":false,"open_roles":0,"sources":["portfolio_page"],"first_seen":"2026-10-03","added_to_portfolio_page":null,"led_a_round":false,"latest_round":null},{"name":"TWMA","domain":"twma.co.uk","url":"https://alion.io/company/twma-2","country":"United Kingdom","startup":false,"open_roles":0,"sources":["portfolio_page"],"first_seen":"2026-10-03","added_to_portfolio_page":null,"led_a_round":false,"latest_round":null},{"name":"Utecsurvey","domain":"utecsurvey.com","url":"https://alion.io/company/utecsurvey","country":null,"startup":false,"open_roles":0,"sources":["portfolio_page"],"first_seen":"2026-10-03","added_to_portfolio_page":null,"led_a_round":false,"latest_round":null},{"name":"Vadrillco","domain":"vadrillco.com","url":"https://alion.io/company/vadrillco-2","country":null,"startup":false,"open_roles":0,"sources":["portfolio_page"],"first_seen":"2026-10-03","added_to_portfolio_page":null,"led_a_round":false,"latest_round":null},{"name":"Vessurvey","domain":"vessurvey.com","url":"https://alion.io/company/vessurvey","country":null,"startup":false,"open_roles":0,"sources":["portfolio_page"],"first_seen":"2026-10-03","added_to_portfolio_page":null,"led_a_round":false,"latest_round":null},{"name":"Wayfinder Resources","domain":"wayfinderresources.com","url":"https://alion.io/company/wayfinderresources","country":null,"startup":false,"open_roles":0,"sources":["portfolio_page"],"first_seen":"2026-10-03","added_to_portfolio_page":null,"led_a_round":false,"latest_round":null},{"name":"Weatherford","domain":"weatherford.com","url":"https://alion.io/company/weatherford","country":null,"startup":false,"open_roles":5,"sources":["portfolio_page"],"first_seen":"2026-10-03","added_to_portfolio_page":null,"led_a_round":false,"latest_round":null},{"name":"Xp Group","domain":"xp-group.com","url":"https://alion.io/company/xp-group","country":null,"startup":false,"open_roles":0,"sources":["portfolio_page"],"first_seen":"2026-10-03","added_to_portfolio_page":null,"led_a_round":false,"latest_round":null},{"name":"xtremedrillingcorp.com","domain":"xtremedrillingcorp.com","url":"https://alion.io/company/xtremedrillingcorp","country":null,"startup":false,"open_roles":0,"sources":["portfolio_page"],"first_seen":"2026-10-03","added_to_portfolio_page":null,"led_a_round":false,"latest_round":null}],"html_url":"https://alion.io/company/lime-rock-partners/portfolio","json_url":"https://alion.io/company/lime-rock-partners/portfolio.json","license":"CC BY-SA 4.0","meta":{"source":"Alion","built_at":"2026-10-21T08:34:15Z","generated_at":"2026-10-22T05:37:23Z"}}