Primera is honored to be included, once again, in the Building Design+Construction Giants 400 report. The annual report ranks the nation’s largest architecture, engineering, and construction firms, based on revenue from the previous year, across 25 specialty categories and building sectors. This year, Primera came in at spot #50 across all Engineering/Architecture firms ranked. We’re also thrilled to be included as a top engineering firm in the following categories:

• #61 – Airport Facility Engineering Firms: Primera’s rapid aviation efforts have earned us a spot among the top engineering firms for airport facilities.
• #102 – Healthcare Engineering Firms: This list factors revenue for all healthcare buildings work, including hospitals, medical office buildings, and outpatient facilities. A sampling of our work in this category includes our Niles Medical Office Building project and our Rush University Medical Center Outpatient Cancer Center
• #73 – Apartment and Condominium Engineering Firms: Primera was named among the nation’s largest engineering firms involved in apartment complexes, and condominium buildings work.
• #62 – K-12 School Engineering Firms: Primera came in at spot number 62 of firms that contribute to K-12 schoool buildings. Primera has an extensive K-12 resume including projects such as Montbello High School and Roberto Clemente Elementary School.
• #64 – University Building Engineering Firms: Of the largest engineering/architecture firms, Primera ranked at number 64 for those providing work at higher education facilities.
• #87 – Multifamily Engineering Firms: This ranking factors revenue for all multifamily buildings work, including apartments, condominiums, student housing facilities, and senior living facilities.
• #85 – Office Building Engineering Firms: The firms on this list are ranked based on revenue for all office building work, including core and shell projects and workplace/interior fitouts.
• #78 – Government Building Engineering Firms: Primera was named among the top engineering/architecture firms for federal, state, local, military, and Veterans Affairs buildings.
• #66 – Museum Engineering Firms: This list ranks the nation’s largest museum and gallery engineering firms for 2025 based on reported revenue.
• #48 – Interior Engineering Firms: Primera was ranked among the nation’s largest workplace interior and office fitout engineering and engineering architecture (EA) firms for 2025.

Founded in 1987, Primera is a full-service, certified woman-owned (WBE) engineering design and consulting firm offering a wide range of professional services centered around four major areas of expertise: Buildings, Transportation, Utilities, and Business Consulting. Primera’s core service offerings include a wide range of professional services in the disciplines of mechanical, electrical, plumbing (M/E/P), structural, civil, and telecommunications engineering, as well as commissioning, energy, architecture, sustainability, life safety, lighting, transportation, natural gas, power delivery, project and construction management, and business consulting services.