design-build delivery

Calliott Consulting LLC is a full-scope MEPT engineering firm based in St. Louis, MO, serving clients nationwide. The firm designs mechanical, electrical, plumbing, and technology systems for institutional facilities, with a constructability focus. Its team brings contractor experience, and it works within design-build teams from concept through construction, providing construction phase support and on-site availability.

building systems coordinationconstructabilityconstruction phase supportdesign-bid-buildJob Order ContractingMEP/T engineeringstructured cabling design

Century Sign Builders designs, builds, and installs wayfinding, signage, and branded environments for the built environment. The company provides environmental graphic design, wayfinding strategy, technical design and documentation, in-house fabrication and prototyping, and installation and project delivery. It serves corporate, cultural, education, government, healthcare, hospitality and retail, multifamily, sports and entertainment, and transportation clients.

code and compliance coordinationcustom fabricationEnvironmental Graphic Designinstallation and field servicesprogram rollouts and multi-site implementationproject managementprototyping and mockupsshop drawings and submittalssignage programmingtechnical design and documentationvalue engineeringwayfinding strategy and planning

Corenic Construction is a commercial general contracting business founded in 2009 by Brunson Cooper and headquartered in the Washington DC Metro region, with offices in the District of Columbia, Prince George's County, and Baltimore. It focuses on interior alterations, renovations, base buildings, and facility additions, and has completed over 19 million square feet of construction projects.

demolitionelectricalgeneral contractingHVAC installationIntegrated Project Deliveryinterior renovationsPre-Constructionproject managementSCIF constructiontenant build-out

D-MCP Construction LLC is an SBA 8(a) Native American-owned general contractor based in Mead, WA, delivering self-performed excavation, concrete, site preparation, and general contracting for federal, public works, commercial, and institutional clients. The company emphasizes a quality-control mindset rooted in inspection training to reduce risk, improve constructability, and deliver safe, schedule-driven results.

contract managementcurbsequipment mobilizationexcavationfacility upgrades and repairsflatwork concretegeneral contractinggradinghaulingpaving supportQA/QCscheduling and sequencingsite preparationstructural concretesubcontractor coordinationutilities trenching

Earll Construction Company is a commercial general contractor founded in 1991, based in Grafton, Illinois. It delivers new construction, renovation, and tenant finish projects, emphasizing preconstruction services, on-time and on-budget delivery, and long-term client relationships. The company is licensed or authorized to work in Missouri, Illinois, Indiana, Kentucky, Iowa, Tennessee, Mississippi, and Arkansas.

commercial constructionpreconstruction servicesproject managementrenovationtenant finishunion carpentry

GuernseyTingle is a full-service architectural design firm based in Williamsburg, Virginia, with a dedicated team of architects, designers and professionals. The firm offers planning, design, interior design, renovation and rehabilitation, Design-Build delivery (Team Build), themed entertainment and sustainable design services. It is SWaM certified in Virginia and an equal opportunity employer, and has completed multiple LEED-certified projects, both gold and silver.

construction administrationConstruction documentsfeasibility studiesfurniture selectionhistoric and adaptive reuseInterior DesignLEED certification supportmaster planningrenderingsrenovation and rehabilitationrestoration and reconstructionSchematic Designsite supervisionSpace PlanningSustainable Designthemed entertainment design

JDS Inc., formally known as John D. Stephens Inc., has provided construction services since 1962 for large, high production projects. It is a full service heavy civil pipeline and environmental infrastructure construction company specializing in water distribution, sanitary and storm water sewer systems, deep excavations, and large mass rock excavation projects. It offers construction services and project management for traditional hard bid contracts as well as design-build delivery methods.

deep excavationsmass rock excavationpipeline constructionproject managementsanitary sewer systemsstorm water sewer systemsvalue engineeringwater distribution

JT Construction Group, Inc. is a Southern California general contractor established in 2015, with more than 20 years of construction experience behind its leadership. The company builds healthcare, commercial, and institutional projects across Southern California, including occupied hospital renovations, creative office and retail build-outs, and public infrastructure. It reports $60M bonding capacity, 100+ completed projects, and zero lost-time incidents since 2015.

agency permitting coordinationcommercial build-outsgeneral contractinghealthcare renovationICRA complianceoccupied-facility renovationPreconstructionpublic infrastructure constructionself-perform critical trades