Our mission is to create a legacy of enduring, quality relationships through value-added projects while being a leader recognized and respected for our standard of excellence.
With integrity, accountability, and safety as our guiding principles, our skilled craft professionals allow us to self-perform core scopes of work while taking on projects in some of the most challenging locations and environments.
Is it the ability to self-perform core scopes by skilled craft professionals? Is it the collective industry experience of the leadership team? Is it a culture that promotes the safety, career growth, and longevity of its employees? Or is it an ultra-focused philosophy on building long-lasting, meaningful connections with our clients? At T Diamond Bar, we believe that it should be all of these and more. Our team is not merely striving to build your next project but to create an enduring bond while delivering a superior product that all can be proud of.
T Diamond Bar, LLC delivers industrial construction services across the lower 48 states. Our quality craftsmen have executed on-time, on budget projects from coast to coast. Our team thrives on logistically challenged projects, is quick to mobilize, and willing to travel to meet the needs of our clients.
Yukon, Oklahoma, April 9, 2026 – T Diamond Bar, LLC today announced the official launch of its new subsidiary, Diamond Group Builders, a general contractor focused on delivering commercial and light industrial projects near its headquarters in Oklahoma. Backed by the established financial strength, bonding capacity, and proven project controls of T Diamond Bar, Diamond…
YUKON, Oklahoma, July 7, 2025 – T Diamond Bar, LLC is pleased to announce the official relocation and opening of the corporate headquarters in Oklahoma. The new office/shop, and yard space is located west of Yukon in the Oklahoma City metro area. Though founded in Walla Walla, Washington, the move to Oklahoma was strategic from…
WALLA WALLA, Washington, November 1, 2023 – T Diamond Bar, LLC is pleased to announce a new management training course, Diamond University, which launched earlier in 2023. The program has fostered an environment of increased engagement, which has helped to identify the strengths and weaknesses of the team as projects are constructed. Director of Safety,…
WALLA WALLA, Washington, January 6, 2023 – When you think of corporate holiday cards, you typically would order a bulk box of one card that has the same design and message inside. The T Diamond Bar marketing team went “outside the box” this past season for the annual Christmas cards that were given away to…
WALLA WALLA, Washington, November 8, 2022 – An emerging name in the Energy and Industrial Construction sector celebrated its fourth anniversary in October. Bolstered by two Renewable Natural Gas (RNG) facilities in Arizona along with an Industrial Manufacturing Plant in Virginia, T Diamond Bar, LLC, is trending toward completing a banner year for 2022. …
WYTHEVILLE, Virginia, May 23, 2022 – T Diamond Bar, LLC has been awarded a contract as the General Contractor to construct a Nitrile Butadiene Rubber plant in Southwestern Virginia. This award follows a previous contract for earthwork at the site, which began in late January. Garry Claflin, Vice President of Construction stated, “The award of…
