Press Release – November 1, 2022

Building Diagnostics, Inc. (BDI) and Allana Buick & Bers, Inc. (ABB) are thrilled to announce the merger of two pioneers in the architectural-engineering (AEC) and forensic consulting industries. ABB, one of the foremost AEC pioneers in the United States is acquiring BDI, another titan in the industry.

With this merger, BDI and ABB can provide tremendous additional resources, including a staff of approximately 220 with trade-level expertise and decades of field experience. Their experience and expertise make ABB an ideal partner for BDI.

This merger will also allow ABB to expand their service area throughout Texas, including Houston and Austin, as well as Mexico City. ABB now has 21 offices in 9 states across the US and together, we offer our full range of A/E services to clients in North and South America.

“The BDI Team and I are thrilled with the additional resources and expertise that we are now able to offer our clients” says David Nicastro, BDI’s CEO. “We are dedicated to continuing our relationship with you and our existing clients.”

ABB is also extremely thrilled with the BDI team of experts, their work ethic, and the added resources they will bring. “We are extremely excited about the level of focus BDI will bring to the ABB Team,” adds Karim Allana, ABB’s CEO. “ABB has always believed in growth, for both itself, and for the industry as a whole. We believe that BDI is the best fit to support ABB’s growing holistically, and to expand our company to other regions and market segments.

Our combined platform offers our clients an enhanced national response delivered from our 21 offices with a comprehensive menu of professional architectural, engineering, and consulting services including engineering design for new construction as well as remedial construction projects.

These services include:

  • Complete Building Enclosure Design & Consulting
  • Structural Engineering Services
  • Mechanical Engineering Services
  • Fire Protection & Life Safety Engineering Services
  • Forensic Investigation, Testing and Expert Witness
  • AAMA/FIGA Accredited Field Testing Laboratory
  • Long-Term Building Asset Management

About Building Diagnostics, Inc. ( – “The Durability Experts”

BDI is a Texas-based consulting engineering firm serving clients for over 28 years. BDI has successfully analyzed and remedied structures for building enclosure, parking structures, historic structures, high-rise commercial office towers, residential properties, hospitals, and institutional facilities. BDI’s staff of professionals is highly educated and trained in architecture, engineering, and project management.

About Allana Buick & Bers, Inc. ( – “Making Buildings Perform Better”

From its headquarters in the San Francisco Bay Area, ABB has grown steadily for 35+ years and has established offices across the US. ABB has successfully completed over 13,250 projects with construction values totaling over $6-8 billion. ABB has also worked with most recognizable names in every industry and on virtually all building types. ABB’s clients include developers, architects, contractors, building owners/tenants, property managers, HOA boards, and construction attorneys.