CentraMark Team Photo

About CentraMark

CentraMark Technical Sales Associates, Inc., founded in 1958 as the Carey-Wolf Company and later operating as Carey, McMahill and Associates, Inc., is a leading manufacturers' representative firm in the Texas, Oklahoma, Louisiana, and Arkansas areas. Having been in business for over 50 years, CentraMark has developed a strong reputation as a service-oriented firm and possesses a personal rapport with many of the key accounts within the territory. Our organization enjoys a heritage of superior customer service. We are now in our 3rd generation of ownership and we're more committed than ever to providing our manufacturers and customers with the highest level of service possible.

Sales Team

Our organization is oriented towards "the engineering sale"; we have over 150 man-years of engineering, test and technical sales experience represented in the outside sales organization. With our experience covering a broad array of products and various fields of engineering theory, we believe that we can offer our principals a well-rounded and balanced understanding of the market(s) we serve.

Our offices are located in Houston, Austin, Ft. Worth and Dallas Texas and we serve the 4 state area of Texas, Oklahoma, Louisiana and Arkansas. We currently employ 11 full-time employees and a number of part-time employees. We have seven in outside sales, three inside sales people, and three in our administrative offices. As we grow, our strategic plans include the addition of both inside and outside staff to help us better serve the specific needs of our principals and customers.

Patrick Hannan

Patrick Hannan President, Outside Sales in D/FW

Jim Gowens

Jim Gowens Outside Sales in D/FW

Gary Moore

Gary Moore Outside Sales in D/FW, Oklahoma, & Kansas

Shawn Thomas

Shawn Thomas Vice President, Outside Sales in Houston, & Southern Louisiana

Drew Wight

Drew Wight Outside Sales in D/FW

Maylon Zerbe

Maylon Zerbe Outside Sales in Central Texas and Houston

Terry Ramsey

Terry Ramsey Customer Service & Inside Sales

Bob Shirk

Bob Shirk Customer Service & Inside Sales

Sandy Gross

Sandy Gross Office Administration and Accounting

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Steve Gotwalt Outside Sales in D/FW, Arkansas, & Northern Louisiana

Dawn Robinson

Dawn Robinson Bookkeeper and Payroll