Plains Plumbing Co., LLC, a Texas partnership, is a family business. Founded in 1931 and incorporated in 1946 as Plains Plumbing Company, it has progressed from a small plumbing firm to a major Mechanical Contractor with a boiler division licensed in 8 states. In addition to Texas we service New Mexico, Oklahoma, Kansas, Nebraska, Colorado, Georgia and Oregon.

Since being established by its founder, S.O. Callahan, Jr., the firm has experienced steady growth for nearly 89 years and this year is celebrating its 74th year anniversary since incorporation. This is a result of ability to finance and bond major contracts, as well as a commitment to excellence in performing our work.

Projects undertaken by Plains Plumbing Co., LLC are completed on or ahead of schedule and always with the highest recommendations from owners, architects, engineers and general contractors. This is our best marketing tool because satisfied customers, create referrals.