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Founded in 2008, Alliance Tank Service in Cushing, OK, specializes in above-ground storage tanks for agriculture, industrial, and petroleum sectors. Known for quality and integrity, it completed 200+ projects in 20 states and acquired Willbros in 2018. Employs 51-100 staff.

Allied Steel Construction, founded in 1939, is an Oklahoma City firm specializing in structural steel erection, crane rental, and more. With 85+ years, 68 staff, 372 projects, and a strong safety record, they serve diverse sectors including healthcare and refineries.

Ashton Gray excels in healthcare real estate development, offering turn-key construction and project management. They serve dental, medical, and veterinary sectors, driven by values of teamwork, honesty, and innovation to deliver quality, timely, and budget-conscious projects.

Brewer Construction, family-owned since 1967 in Chouteau, OK, offers expert services in construction management, design/build, metal building erection, and concrete. Serving Northeast Oklahoma, they prioritize integrity, quality, and client satisfaction across diverse sectors.

CMSWillowbrook, founded in 1974 in Oklahoma City, excels in commercial construction management across sectors like education, healthcare, and historic restoration. With 150+ staff and multiple offices, it’s a top workplace committed to quality and client satisfaction.

CREW-OKC, founded in 2016, is Oklahoma City's top network for commercial real estate pros, advancing women via networking, leadership, and research. With 90+ members from diverse sectors, it fosters equity, expertise, and career growth in CRE.

Founded in 1995, Comanche Construction, LLC is a Native American and woman-owned firm with 25+ years in commercial, retail, tribal, and residential construction. Operating in 26 states, it self-performs 75% of trades, serving 80+ top brands with quality and integrity.

Cooley Construction, founded in 1961 in Oklahoma, excels in construction management, design-build, and consulting. Serving clients across 30+ states, it prioritizes quality, safety, and strong client partnerships, handling diverse, complex projects reliably.

Cowen Construction, founded in 1896 in Tulsa, Oklahoma, is a leading contractor offering diverse services like Pre-Construction, General Contracting, and Design-Build. Committed to quality, client partnerships, innovation, and sustainability across many sectors.

Founded in 1999 in Oklahoma City, Downey Contracting offers general contracting, construction management, design build, and civil construction. Serving Oklahoma and nearby states, they prioritize quality, innovation, and client satisfaction to lead in the construction industry.

Gail Armstrong Construction, est. 1967, rebranded as Geddes-Armstrong in 2017, offers expert construction services in Oklahoma City. Known for integrity, client focus, and accurate cost estimating, they deliver quality new builds, remodels, and management from start to finish.

HGL Construction, founded in 1994 and based in Oklahoma, excels in commercial construction, serving federal and private sectors. Specializing in design-build, contracting, and heavy civil projects, it values teamwork, quality, and client satisfaction across the Southwest U.S.

Lingo Construction Services, founded in 1998 in Oklahoma City, excels in unique builds from small remodels to multi-million projects. With 80+ skilled staff, they serve diverse sectors, focusing on quality, integrity, and client relationships, delivering award-winning results.

Lippert Bros., founded in 1920 in Oklahoma City, excels in general contracting, construction management, and design-build services. Known for quality, integrity, and collaboration, they serve diverse sectors, use sustainable tech, and deliver lasting, award-winning projects.

Magnum Construction, serving Northeastern Oklahoma since 1998, excels in general contracting, design-build, and construction management. Family-owned, it prioritizes client-focused service, supporting municipalities, schools, and community projects with expertise and integrity.

Founded in 1896, Manhattan Construction is a trusted firm with 125+ years of success. Part of Manhattan Construction Group, it offers diverse services and operates in the US, Mexico, and beyond, serving various sectors and led by the Rooney family for five generations.

Meyco, founded in 1957, invented the first safety pool cover. With 4 U.S. patents, it offers high-quality covers like MeycoLite�, RuggedMesh�, and PermaGuard�. Serving families and pool pros, Meyco leads in safety and innovation across the U.S.

Founded in 2006 in Oklahoma, Miller Tippens Construction excels in commercial and industrial projects with a $60M annual volume. They offer diverse services, focus on client relationships, quality, safety, and retain top talent, serving various sectors with excellence.

Redstone Construction, founded in 2009 by Chris Samples, uses the C2C® approach to deliver custom projects, empowering Native communities with 50% Native workforce. Certified by TERO and MBE, it excels in diverse sectors, driving social impact and quality results.

Rick Scott Construction, founded in 1996 in Oklahoma, offers full-service commercial construction across OK and nearby states. Known for safety, quality, and client focus, it excels in Pre-Construction, Management, Contracting, and Design-Build with a skilled 30-member team.

Founded in 1979 by Jesse Ross, Ross Group evolved from carpentry to a leading US construction firm. Now with 150+ employees, it excels in development, engineering & industrial projects, committed to quality, safety, and sustainable community infrastructure.

Rupe Helmer Group, established in 2002, is a trusted leader in construction and real estate, offering services from development to brokerage. Partnered with NAI Global, they deliver innovative, on-time, and budget-aligned solutions with professionalism and client focus.

SiteMaster, founded in 1997 and based in Tulsa, OK, offers construction, installation, and maintenance for wireless telecom infrastructure. Serving top US wireless carriers, government agencies, and OEMs, it ensures quality, safety, and reliable network support nationwide.

Thompson Construction, a family-owned Tulsa firm, is committed to integrity and client satisfaction. Rooted in native ownership, it excels in understanding and meeting the unique needs of diverse construction projects with exceptional service and trust.

Timberlake Construction, founded in 1976, offers full-service construction with 40+ years' experience. They serve diverse sectors, specializing in contracting, management, and preconstruction planning, focusing on quality, collaboration, and timely, budget-conscious delivery.

WW Builders Inc., since 1998, excels in Construction Management and Commercial Contracting, offering services from infrastructure to roofing. They handle residential/commercial projects, prioritize quality, safety, and timely delivery, backed by strong bonds and insurance.

Wynn Construction, a family-owned firm since 1944, excels in renovation and new builds across public and private sectors. Known for quality, versatility, and strong client ties, they foster teamwork and community impact, ensuring safety and lasting excellence in construction.