At F.D. Thomas, we provide the widest range of knowledge and experience in the coating and specialty contracting industry. Since 1979, we have combined traditional methods, modern technology and safe, creative thinking to solve any problems that come our way. We have grown to include four operating companies: F.D. Thomas, FDT Structural Specialties, D. Zelinsky & Sons and D2 Industrial Services.

With divisions located throughout the United States, FDT and its subsidiaries provide a wide range of services – Industrial Painting and Specialty Coatings, Commercial Painting, Waterproofing / Sealants / Roofing, Specialty Contracting, and Insulation / Scaffolding / Abatement. FDT has provided expert services for a range of customers, including commercial building owners, high-tech manufacturing facilities, entertainment/sports complexes, U.S. and state governments and major industrial facilities.

We believe at FDT that Great People + Great Work = Extraordinary Company!


At FDT, we have a genuine commitment to creating a safe workplace. Our Environmental Safety & Health Program provides resources for hiring and training of personnel, oversight and enforcement needed to manage the program. We communicate our commitment to the workforce which allows for feedback and recommendations to continuously improve the safety environment.

We have a team of full-time safety professionals at both the corporate and field level to evaluate, improve, implement and enforce our Environmental Safety & Health Program. Safety Key Performance Indicators (KPIs) are sent weekly to corporate and divisional leadership.


  • Zero tolerance policy
  • Site-specific safety plans
  • Pre-job safety analysis and hazard identification
  • Annual training and education
  • Specialized training and education
  • Plan of the Day (POD)
  • Daily job site inspections
  • Weekly safety walk audits
  • Monthly site safety audits by corporate safety and project management
  • Third-party loss control and risk assessment surveys
  • Return-to-work program
  • Intra-company communications (safety committees, newsletters, memos)
  • OSHA partnership programs (including Cal/OSHA Golden Gate Partnership)


FDT Structural Specialties

FDT Structural Specialties (FDTSS) is a SBA certified 8(a) company, providing turnkey solutions and services for the rehabilitation, strengthening and protection of structures through:

  • Structural Strengthening with FRP composites
  • Concrete & Masonry Restoration
  • Specialty Coatings (traffic coatings, fireproofing)

FDTSS provides value-added solutions, engineering support and services to contractors, owners, engineers, and government agencies.


DZ, a San Francisco Bay Area company since 1884, provides industrial painting services. DZ is a certified Disadvantaged Business (DBE) and Minority Business (MBE).

D2 Industrial Services

D2 Industrial Services (D2) performs on both maintenance and capital projects, with a focus on the following services:

  • Insulation
  • Scaffolding
  • Abatement

D2 has the skilled labor force to perform everyday maintenance or shutdown services in your industrial facilities.

Redwood Painting Company

Started in 1947 in the San Francisco Bay Area, Redwood has grown to become one of the most experienced painting and coating contractors in the western United States, providing:

  • Industrial Painting & Coating
  • Lead Abatement
  • Commercial Painting

Redwood’s team specializes in contracting services for large, industrial facilities and wastewater treatment plants, as well as ongoing maintenance work for repeat clients.