Construction Project Management Firm

Our full-range of services assists our clients in tackling everyday challenges that arise during the construction process.

Standing tall in the midst of complex projects defined by competitive bids, high risk situations, evolving technologies and increasing environmental efficiency standards is no easy task. Our full-range construction services from conceptual design through construction administration assists our clients in tackling everyday challenges that arise during the construction process. Our expertise helps determine strategic goals and implementation plans that maximize the value within budget limitations, schedule conflicts, environmental concerns, and other factors that occur during the creation and maintenance of facilities. We have addressed these challenges as opportunities to collaborate with our clients and develop creative solutions that often lead to long-term building performance and value.

Zero/Six Consulting brings our clients the right people at the right time to ensure the integrity, quality and performance of complex projects is what remains when the dust settles after construction. Zero/Six does this through performance-driven leadership that delivers real-world, cost-effective solutions and strategic initiatives you can trust throughout the life of your project.

Construction Management Services

Construction

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Corporate Headquarters

1027 23rd Street Rear, Galveston, TX 77550
409.740.0090 (office)
409.740.0554 (fax)

Laboratory Field Office

2025 Nichols Ave, Dickinson, TX 77539
409.766.7444 (office)

Bill is the managing and founding partner of W.H. Coltzer International (WHCI), Zero/Six Consulting, LLC (an architecture and exterior building envelope consulting firm), Z6 Commissioning, LLC (a performance testing firm), and Coltzer Company, LLC (construction company). As the son of a general contractor, Bill grew up participating in the family construction business and after graduating from Texas A&M in 1984, became a licensed Architect in 1993. Since the creation of Zero/Six Consulting, LLC in 2003, Bill has participated in the remediation, design, and testing of numerous facilities across the Nation ranging in values of a few million dollars to over a few hundred million. The combination of construction knowledge, architectural training, and real-world experience gives Bill a unique perspective in the dispute resolution process.

Jeff is the Director of Engineering of Zero/Six Consulting, LLC (an architecture and exterior building envelope consulting firm). After graduating from The University of Texas with a Bachelor of Science in Civil Engineering, Jeff has used his expertise in the field with roofing, waterproofing, and fenestration inspections, as well as in the office with computer-aided drafting, modeling, and engineering analysis. He has been deeply involved in the testing aspects of building envelope commissioning serving as the Quality Control Manager to ensure the Z6 ISO/IEC 17025:2017 accredited laboratory and team are strictly following international test standards to accurately, objectively, and impartially report on the integrity of building materials and products to certify that the installed systems interface as intended. Jeff has been Appointed Qualified Inspector by The Texas Department of Insurance (TDI).