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| Company | What they do | Location | Size | Hiring |
|---|---|---|---|---|
Salas O'Briensalasobrien.com BWUAAB |
Salas O'Brien is an employee-owned engineering and technical services firm that designs built environment projects across MEP, str | Irvine, California | 1001-5000 | — |
Burnsmcdburnsmcd.com  RSEB MR |
Burns & McDonnell is a 14-location, 100% employee-owned engineering, design, and construction firm founded in 1898, with 75+ offic | Kansas City, Missouri | 5000+ | — |
Stantecstantec.com  HPCMAR |
Stantec is a global engineering, architecture, and environmental consulting firm with around 4,000 employees in 450+ locations acr | — | — | — |
AECOMaecom.com  MFSMRC |
AECOM is a global infrastructure professional services firm that delivers engineering, design, planning, and project management se | Dallas, Texas | 5000+ | — |
Terraconterracon.com  CM LC MM |
Terracon is a 100 percent employee-owned consulting engineering firm founded in 1965, providing environmental, facilities, geotech | Olathe, Kansas | 5000+ | — |
Kleinfelderkleinfelder.com KACBKS |
Kleinfelder is an integrated, cross-disciplinary engineering, design, and construction management firm founded in 1961 that delive | San Diego, California | 1001-5000 | — |
Rambollramboll.com IG  TT BC |
Ramboll is a global engineering and consulting firm with offices across the Midwest, offering technology, environmental, and safet | — | — | — |
MEPCEmepce.com |
MEPCE (M.E.P. Consulting Engineers, Incorporated) is a complete building systems and infrastructure engineering firm with offices | Irving, Texas | 51-200 | — |
Ackroyd Engineeringackroydengineering.com |
Ackroyd Engineering, LLC is a single-engineer electrical design and consulting firm based in Manchester, New Hampshire, providing | Manchester, New Hampshire | 1-10 | — |
Kpff Sdkpff-sd.com |
KPFF is a multi-office, multi-discipline engineering firm with more than 60 years of experience providing creative, practical solu | San Diego, California | 51-200 | — |
Infinity Mep Consultants Pllcinfinitymep.com |
Infinity MEP+S Consultants is a Houston-based engineering firm delivering structural, mechanical, electrical, plumbing, fire prote | Houston, Texas | 51-200 | — |
Cain Thomas Associatescainthomas.com |
Cain Thomas Associates, Inc. is a Mechanical, Electrical and Plumbing (MEP) consulting engineering firm based in suburban St. Paul | Minneapolis, Minnesota | 51-200 | — |
Jordan Skala Engineersjordanskala.com  AM TM BS |
Jordan Skala Engineers is a consulting engineering firm founded in 1953 and headquartered in Norcross, Georgia, delivering MEP, su | Norcross, Georgia | 201-1000 | — |
Eec Txeec-tx.com |
Encotech Engineering Consultants is a boutique engineering firm founded in 1990 in Austin, Texas, specializing in MEP, structural | Austin, Texas | 51-200 | — |
Engineering Plus220221.com |
Engineering PLUS is a technology engineering design firm based in Woodridge, Illinois, with worldwide reach, that creates smart te | Woodridge, Illinois | 51-200 | — |
Cmmcecmmce.com |
CM Mission Critical Engineering is a 51-200 employee engineering services firm founded in 2024 and headquartered in Atlanta, Georg | Atlanta, Georgia | 51-200 | — |
Aeiengaeieng.com |
Affiliated Engineers, Inc. (AEI) is a consulting engineering firm with 900+ professionals across 22 offices that designs high-perf | Madison, Wisconsin | 1001-5000 | — |
Acemepgroupacemepgroup.com |
ACE MEP Group, Inc. is a full-service MEP engineering and consulting firm based in Irvine, California, delivering mechanical, elec | Irvine, California | 11-50 | — |
Abpcxabpcx.com |
Advanced Building Performance (ABP) is a nationally recognized commissioning firm based in the Washington-Baltimore area that assi | Potomac, Maryland | 11-50 | — |
Aellagroupaellagroup.com |
Aella Consulting Group is a strategic Physical Security Design and Consulting firm based in Boston, MA, with a second office in Da | Boston, Massachusetts | 1-10 | — |
Airbalancingairbalancing.com |
Air Balancing Engineers, Inc. (ABE) is an independent, NEBB-certified HVAC testing, adjusting, balancing, and commissioning firm b | Berwick, Pennsylvania | 1-10 | — |
Aecmepaecmep.com |
Advanced Engineering Consultants (AEC) is a 1998-founded, employee-owned (ESOP) engineering design firm headquartered in Columbus, | Columbus, Ohio | 51-200 | — |
Atsiusaatsiusa.com |
AccuTec Services, Inc. is an independent field services company providing NEBB-certified cleanroom certification, building systems | Lees Summit, Missouri | 11-50 | — |
Aeedincaeedinc.com |
AEED, Inc. is a full-service engineering consulting and design firm in Chattanooga, Tennessee, providing sustainable building tech | Chattanooga, Tennessee | 11-50 | — |
Kpffkpff-irvine.com |
KPFF is a multi-office, multi-discipline engineering firm that has provided creative, practical solutions for projects of all kind | Newport Beach, California | 51-200 | — |
Cap Engineering Consultantscapeng.com |
Capital Engineering is a multi-discipline MEP engineering firm with over 75 years of experience, delivering design, BIM, and perfo | Rancho Cordova, California | 51-200 | — |
AVELARavelar.net |
AVELAR (formerly Richard Avelar + Associates) is a Walnut Creek, California firm providing forensic architectural, engineering, co | Walnut Creek, California | 51-200 | — |
Kpff Lakpff-la.com |
KPFF is a multi-office, multi-discipline engineering firm that has provided creative, practical solutions for projects of all kind | Seattle, Washington | 51-200 | — |
360Eng360eng.com |
360 Engineering is a full-service mechanical and plumbing engineering consulting firm founded in 2003, delivering HVAC, plumbing, | Golden, Colorado | 11-50 | — |
LEAF Engineersleafengineers.com |
LEAF Engineers is a mechanical, electrical and plumbing/fire protection engineering design firm based in Houston, Texas, that also | Houston, Texas | 51-200 | — |
| Run live for more | ||||
Salas O'Brien is an employee-owned engineering and technical services firm that designs built environment projects across MEP, structural, civil, energy, and sustainability consulting, serving clients from hospitals to data centers and government facilities.
Companies like Salas O'Brien include Burnsmcd, Stantec, AECOM, Terracon, Kleinfelder. See the full list of 24 competitors and alternatives above.
Salas O'Brien has approximately 1001-5000 employees and is in the Engineering Services industry.
Salas O'Brien is headquartered in Irvine, California.
Salas O'Brien operates in the Engineering Services industry.
Key decision-makers and buying contacts at Salas O'Brien are listed above, including leaders across executive, finance, sales and operations.