Since 1995, ACE CO has been the trusted name for comprehensive construction and facility maintenance services across San Antonio. Founded by Betty A. Drennan and Charles O. Drennan, we combine over tw...
Since 1995, ACE CO has been the trusted name for comprehensive construction and facility maintenance services across San Antonio. Founded by Betty A. Drennan and Charles O. Drennan, we combine over two decades of hands-on industry experience with a commitment to integrity, quality, and client satisfaction. Our team specializes in everything from parking lot maintenance and runway repairs to HVAC, electrical, plumbing, and janitorial services. As a woman-owned, 8(a) certified small disadvantaged business, we bring both technical excellence and certified expertise to every project.We understand that your facilities are the backbone of your operations. That's why ACE CO delivers turnkey solutio...
Professional solutions tailored to your specific needs — delivered with expertise and care.
01
Grounds Maintenance & Landscaping
ACE CO offers full-spectrum grounds maintenance and landscaping services to keep your commercial or institutional property looking pristine year-round. Our teams handle regular mowing, edging, fertilization, weed control, irrigation management, and seasonal cleanups. We also specialize in hardscape maintenance, including pressure washing, interior/exterior painting, and concrete staining to enhance curb appeal. Whether you manage a corporate campus, retail center, or government facility, we tail...
ACE CO offers full-spectrum grounds maintenance and landscaping services to keep your commercial or institutional property looking pristine year-round. Our teams handle regular mowing, edging, fertilization, weed control, irrigation management, and seasonal cleanups. We also specialize in hardscape maintenance, including pressure washing, interior/exterior painting, and concrete staining to enhance curb appeal. Whether you manage a corporate campus, retail center, or government facility, we tailor our approach to your landscape’s unique needs.
Our process begins with a thorough site assessment to identify problem areas and opportunities for improvement. We then build a custom maintenance schedule that balances aesthetics with budget. Using eco-friendly practices and commercial-grade equipment, we ensure durable results. Why choose ACE CO? We are a certified woman-owned small business with over 20 years of local experience. Our crews are trained, insured, and background-checked. Plus, as a one-stop facility services provider, we can coordinate landscaping with paving, painting, or janitorial work—saving you time and vendor management headaches.
02
Roads & Runways Maintenance
ACE CO is a leading provider of concrete and asphalt road work, parking lot maintenance, and runway repair in San Antonio. Our services include asphalt paving, seal coating, crack filling, line striping, and full-depth patching for roads, parking lots, and airport runways. We also specialize in ADA compliance upgrades, including curb ramp installation and marking modifications. With experience working on both local municipal projects and federal airfield contracts, we understand the rigorous saf...
ACE CO is a leading provider of concrete and asphalt road work, parking lot maintenance, and runway repair in San Antonio. Our services include asphalt paving, seal coating, crack filling, line striping, and full-depth patching for roads, parking lots, and airport runways. We also specialize in ADA compliance upgrades, including curb ramp installation and marking modifications. With experience working on both local municipal projects and federal airfield contracts, we understand the rigorous safety and durability standards required.
Every project starts with a detailed evaluation of surface conditions and traffic patterns. We recommend the most cost-effective repair or resurfacing strategy, then execute using high-quality materials and precision equipment. Our team minimizes disruptions with strategic staging and fast turnaround. ACE CO’s certifications—including DBE, WOSB, and 8(a)—enable us to partner with government agencies while delivering competitive pricing. For facilities that require ongoing upkeep, our service contracts provide predictable scheduling and pricing for seal coating, striping, and crack repair.
03
General Construction & Turnkey Solutions
ACE CO functions as a full-service general contractor, working alongside specialized subcontractors to deliver complete HVAC, electrical, plumbing, and general construction services. Whether you need a tenant improvement, a new building shell, or major system upgrades, we manage every phase—permitting, procurement, construction, and final inspection. Our collaborative approach ensures seamless communication between trades, so you avoid delays and cost overruns.We serve commercial, industrial, an...
ACE CO functions as a full-service general contractor, working alongside specialized subcontractors to deliver complete HVAC, electrical, plumbing, and general construction services. Whether you need a tenant improvement, a new building shell, or major system upgrades, we manage every phase—permitting, procurement, construction, and final inspection. Our collaborative approach ensures seamless communication between trades, so you avoid delays and cost overruns.
We serve commercial, industrial, and government clients. Our team has deep experience with design-build projects, value engineering, and sustainable construction practices. ACE CO holds multiple certifications (8(a), WOSB, SBE, VBE, SDVOSB) that help our clients meet diversity spending goals. From concept to closeout, we prioritize safety, code compliance, and transparent reporting. Let us streamline your next construction project—we handle the details so you can focus on your core mission.
04
Construction in San Antonio
We handle general construction for commercial, industrial, and government clients in San Antonio, managing each phase from permitting and procurement through construction and final inspection. Our crews coordinate HVAC, electrical, and plumbing subcontractors so communication stays clear and delays are kept to a minimum. Projects can include a tenant improvement, a new building shell, or a major system upgrade, and we bring design-build and value engineering experience to the planning stage. Saf...
We handle general construction for commercial, industrial, and government clients in San Antonio, managing each phase from permitting and procurement through construction and final inspection. Our crews coordinate HVAC, electrical, and plumbing subcontractors so communication stays clear and delays are kept to a minimum. Projects can include a tenant improvement, a new building shell, or a major system upgrade, and we bring design-build and value engineering experience to the planning stage. Safety, code compliance, and regular reporting stay at the center of every job. If you have a project in mind, reach out and we can talk through the scope with you.
05
Parking lot maintenance in San Antonio
Parking lot maintenance keeps your surface safe, drivable, and in good shape for the people who use it every day. We start with a look at the existing pavement and traffic patterns, then recommend repairs such as crack filling, full-depth patching, seal coating, or resurfacing based on what the lot actually needs. Line striping and ADA-compliant markings are included where required. We stage work to limit disruption to your tenants or customers and can set up ongoing service contracts for predic...
Parking lot maintenance keeps your surface safe, drivable, and in good shape for the people who use it every day. We start with a look at the existing pavement and traffic patterns, then recommend repairs such as crack filling, full-depth patching, seal coating, or resurfacing based on what the lot actually needs. Line striping and ADA-compliant markings are included where required. We stage work to limit disruption to your tenants or customers and can set up ongoing service contracts for predictable scheduling of seal coating, striping, and crack repair.
06
Runway repair
Our runway repair work covers airport surfaces that have to meet strict safety and durability standards. We have worked on federal airfield contracts, so we are familiar with those requirements from the first evaluation through completion. Each job begins with a detailed assessment of surface condition, followed by the repair approach that makes the most sense, whether that is patching, crack treatment, or resurfacing. We use quality materials and precision equipment, and we plan the work to kee...
Our runway repair work covers airport surfaces that have to meet strict safety and durability standards. We have worked on federal airfield contracts, so we are familiar with those requirements from the first evaluation through completion. Each job begins with a detailed assessment of surface condition, followed by the repair approach that makes the most sense, whether that is patching, crack treatment, or resurfacing. We use quality materials and precision equipment, and we plan the work to keep fast turnaround and minimize impact on operations.
07
Asphalt seal coating in San Antonio
Asphalt seal coating protects pavement from water, sun, and traffic wear, helping it last longer between larger repairs. We clean the surface, address any cracks, and apply a coating matched to the condition of the asphalt. This service suits parking lots, access roads, and other paved areas across San Antonio, and it is often most effective when done on a regular schedule. Our service contracts can set up recurring seal coating so timing and pricing stay predictable for your property.
08
ADA compliance services in San Antonio
We help property owners bring their sites into line with ADA requirements, including curb ramp installation and accessible parking markings. Each project starts with a review of the existing layout so we can see exactly what needs to change. We then carry out the work with attention to the accessibility standards that apply, using the same care we bring to our road and parking lot projects. If your site needs upgrades, we can walk through the options and tell you what we would recommend.
09
Pressure washing
Pressure washing removes dirt, grime, and buildup from building exteriors, sidewalks, parking areas, and other hard surfaces. Our crews use commercial-grade equipment and adjust pressure to the material, so concrete, brick, and other surfaces are cleaned without damage. It is a useful step before painting or staining, and it also improves how your property looks to customers and visitors. We can schedule it as a one-time job or include it in a broader grounds and facility maintenance plan.
10
Commercial painting in San Antonio
Our commercial painting covers both interior and exterior surfaces for businesses, institutions, and government facilities. We prepare surfaces properly, including cleaning and repairs, before applying paint so the finish holds up to daily use. Work can be scheduled around your operations to limit disruption to staff and visitors. Because we also handle grounds, pressure washing, and janitorial work, we can coordinate painting with other services on your property, which saves you from managing s...
Our commercial painting covers both interior and exterior surfaces for businesses, institutions, and government facilities. We prepare surfaces properly, including cleaning and repairs, before applying paint so the finish holds up to daily use. Work can be scheduled around your operations to limit disruption to staff and visitors. Because we also handle grounds, pressure washing, and janitorial work, we can coordinate painting with other services on your property, which saves you from managing several separate vendors.
11
Concrete staining in San Antonio
Concrete staining adds color and a finished look to floors and exterior concrete, and it can be a practical alternative to other surface treatments. We clean and prepare the concrete first, since proper prep affects how the stain takes and how long it lasts. Staining works well for storefronts, lobbies, patios, and outdoor walkways in San Antonio. We can pair it with pressure washing or painting to refresh the overall appearance of your property.
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Since 1995, ACE CO has been the trusted name for comprehensive construction and facility maintenance services across San Antonio. Founded by Betty A. Drennan and Charles O. Drennan, we combine over two decades of hands-on industry experience with a commitment to integrity, quality, and client satisfaction. Our team specializes in everything from parking lot maintenance and runway repairs to HVAC, electrical, plumbing, and janitorial services. As a woman-owned, 8(a) certified small disadvantaged business, we bring both technical excellence and certified expertise to every project.
We understand that your facilities are the backbone of your operations. That's why ACE CO delivers turnkey solutions—grounds maintenance, pressure washing, concrete staining, interior/exterior painting, and more—all managed with seamless coordination. Whether you're a federal entity, local business, or property manager, we work alongside you to complete projects on time, on budget, and to the highest standards. Our veteran-owned and DBE certifications further demonstrate our dedication to diversity and community partnership. Let ACE CO be your single-source partner for construction that lasts and service you can count on.
