Welcome to Holt Supply! We proudly serve professional tradespeople with quality plumbing, lighting and HVAC products, along with expert advice and outstanding customer service.

HOLT CAT has been honored for the fourth straight year by Texan by Nature for its leadership in conservation. The company’s initiatives include solar installations, water recycling, and …

HOLT Group is a powerhouse in several industries, from heavy machinery and construction to consulting services, training, and technology. Built from the ground up nearly a hundred years …

"When you team up with Holt Cargo you are getting a true partnership. Someone whose goal is the same as ours, and that is to provide the BEST service possible."

Holt International is a Christian organization that provides care and support to many of the world’s most vulnerable children. We empower families to overcome poverty, care for children in …

HOLT.com specializes in enduring, sustainably designed built environments that improve quality of life for occupants and communities through innovative, eco-friendly architecture and …

Benjamin Holt replaced the wheels on a steam traction engine, Holt No. 77, with self-laying tracks to develop the world’s first successful track type tractor, named the “Caterpillar.” Growth and …