Symbol
- An online database of architectural companies in Bulgaria.
- http://www.symbol.bg/en/index.html

NAB Architects
- Noble Associates Bulgaria offers planning, architectural and engineering design services. Involved in office developments, department stores, residential, industrial, retail, interior and branding projects in Bulgaria and UK.
- http://www.nab.bg

Geoton
- Manufactures concrete products, blocks, bricks, paving stones, and ornamental. Contact details and product gallery.
- http://www.geoton.com

Bates
- Provides project managers, designers, property and development consultants. Details of services, clients, and team.
- http://www.bates.eu.com/main.php

Metacom
- Specialized in direct import and sale of stainless steel products.
- http://www.metacom-bg.com/

Siltek Engineering Ltd.
- Provides engineering solutions in the field of building, electrical, information and security systems.
- http://www.siltek.bg/en/

Rivagips Ltd.
- The company offers gypsum board, profiles for drywall system and heat insulation.
- http://www.rivagips.com/

AT Engineering Ltd.
- Offers complex design, construction and implementation of public, residential and tourist sites. Includes profile, project gallery, and news.
- http://www.ati2000.com/

Stonedecor
- Provides design and construction of swimming pools, concrete coloring and stone veneering, includes product gallery.
- http://www.stonedecor.bg/

Heva
- Offers building maintenance, repair, and construction, waterproofing of swimming pools and reservoirs. Contact details, services, and references.
- http://www.puldin.ttm.bg/heva/heva-e.htm

Beta Constructions Ltd.
- Offers structural engineering services to architects, developers and building owners. Contact details, services, partners, and project gallery.
- http://www.betaconst.com/

eTodor.com
- Provides civil engineering, construction, and company consulting services. Includes profile, activities, and services.
- http://www.etodor.com/