Company Profile
Southlake Construction Services, Inc. is a full-service general contractor specializing in leasehold improvements and light commercial construction. Southlake offers an extensive range of services, including but not limited to - budgets, scheduling, and construction management. The professional staff at Southlake has the technical knowledge and management expertise to deal with routine as well as "crisis" situations involving clients.
Southlake appreciates and understand the client's need for a General Contractor who can handle every phase of a project, from preliminary bids to final close-out. As Southlake Construction looks to the future, we remain committed to offering clients what they need and expects from a General Contractor - speed and dependability.

The Southlake Team
Hiram Mojica, President/Owner
Hiram Mojica oversees the marketing and administrative functions at Southlake, while also serving as project manager for tenants and owners. A graduate from Hardin – Simmons University in Abilene, Texas, Mr. Mojica has over 25-years of experience in managing interior finishing and light commercial construction.
Mr. Mojica founded Southlake General Contractors in 1985. While focusing on the multiple phased interior and shell building finish out projects, Mr. Mojica thought the name Southlake General Contractors would fit the bill and the name exudes excellence and a class A construction project. Quality is Job #1 at Southlake General Contractors.
His knowledge of the bidding and negotiation process combined with his attention to detail and to the tenant’s needs brings a unique blending of professionalism and practical experience to the operations of Southlake Construction.
Gary Allen, Vice President of Operations/Project Manager
Gary Allen is a graduate of East Texas State University in Commerce, Texas, with a degree in industrial engineering, construction management, and a minor in computer/graphic science. Mr. Allen has over twenty five years of experience in commercial ground up construction and interior finish-out, including projects for the United States government in this country and throughout Central America.
Gary’s responsibilities at Southlake include client consultation, business development, project estimating, scheduling, and managing, contract negotiations, & perpetual client relations to follow up on future projects. The past year’s completed projects include;
- World Headquarters for Blackmon Mooring – 100,000 sqft / 7M New Ground Up & Interior Renovation project
- Vendor Resource Management Corporate Relocation – 85,000 sqft / 2.8M Interior Renovation project
- Anixter Wire & Cable (Dallas, Houston & Austin locations) 450,000 sqft / 7.5M Manufacturing Expansion – Relocation projects
- Stampede 66 Restaurant 8,000 sqft / 2.2M New Restaurant Concept in Dallas
- Southlake Town Square project Development – 455,000 sqft. / 12.5M New Interior Finish Out & Shell / Core projects over multiple phase I –IV with Cooper & Stebbins
- Forest Park Medical Center (DFW locations & Austin projects) – Multiple MOB Interior Finish Out projects thru out Texas
- Comerica Banks (DFW locations, Austin & Houston) 4,000 – 20,000 sqft. / 5M Ground Up & Interior projects
- Turbo Chef Manufacturing Facility Expansion – 450,000 sqft. / 3.5M manufacturing plant expansion for US & Europe production
John Kappus, Director of Business Development
Mr. Kappus brings a refreshing new twist to marketing Southlake General Contractors through his long tenure of broker and property manager relationships. Mr. Kappus has leasing and management relationships in virtually every market in Dallas over the last twenty-six years of his commercial office-leasing career. He has been associated with thirty-five (35) project leasing assignments totaling approximately six million square feet. Mr. Kappus’ assignments include CBD high rises, suburban mid-rise, and suburban garden office buildings.
Mr. Kappus had taken his commercial real estate relationships to the commercial construction industry. The past sixteen years had seen relationships expand and grow into this construction related industry. Mr. Kappus believes that the very fiber of Southlake GC, Inc. is based on 5 simple provisions:
- Know your job inside and out
- Always communicate
- Do what you say you are doing to do
- If its not right, it’s wrong
- Don’t try to sell it if you are not willing to buy it

Clients & Partners
Through an intimate and highly collaborative approach, Southlake is able to construct environments not just for the functional needs of a building's occupants, but for the culture of the organization and its people. It is a way of working that has distinguished us in a range of industries, from the polished professionalism of investment banking and law firms to the creative restaurateur.
Houston's | Just For Kids | AT&T |
ECT | Cosmic Canine | FOT Data Com |
R & D Kitchen | Kenny's Wood Fire Grill | Hillstone Restaurant Group |
Friend's Place of Mckinney | Muller Entertainment Studios | CRM Studios |
CRM Control Sound Room | Medical Edge | Younger and Partners |
Southlake Town Square | Ryan & Company | Symcor International |
Circle M, Inc. | CBRE | Trammel Crow |
Southlake Venture | Symcor Canada | Turbo Chef |
Bicentennial Retail Plaza | Comerica Bank | Ford Motor |
McCarthy Companies | Austin Square | Northrop Grumman |
Stratmark, Inc. | Park Place Parking | K & F Resources |
Annixter Wire & Cable | Walker Engineering, Inc. | RPGA Architects |
RAS Construction | Siebro Painting | Spire Realty |
Malai Kitchen | BMS/CAT | Transwestern |
18th & Vine | Americano | Dr. Rogers |
Thru, Inc. | Comerica Bank Preston | Havana Dee's |
Chamberlain's Expansion | 3010 Henderson Improvements | Vitality Bowls |
Cibo Divino | Hanger Clinic | Allied Bioscience Lab |
Vendor Resource Management | Switch | Comerica Banks-Remodel Work |
25North Coworking | Dee Lincoln Private Dining | Hanover |
Fulcrum Capital | Rise No. 3 | Plano VA |
Solid Core | Hillstone Restaurants-Remodels | Warby Parker |
CIM Group | Johnson Kelly | Harkinson Investments |
Parmenter Realty Partners | McDavid Companies | Newmark Knight Frank |
Anxiter, Inc. | HG Real Estate | Madison Marquette |
Stoneleigh Companies | Holt Lunsford |