drainage analysis

Austin Block Company is a retaining wall specialty contractor and premium Texas limestone supplier serving Central Texas. The company builds engineered limestone retaining wall systems designed for Central Texas soils, with walls over 4 feet built to geotechnical specifications with engineered reinforcement and drainage. It also supplies natural stone and masonry materials sourced direct from quarries, with nationwide flatbed delivery.

elevation checksengineering and designgeotechnical specificationheavy-block installationnationwide flatbed deliveryquarry sourcingretaining wall constructionsite evaluationssoil assessmentwall repair and replacement

Darkhorse Unmanned is a Service-Disabled Veteran Owned Small Business (SDVOSB) based in York, Pennsylvania, providing commercial drone services. It is fully insured and FAA Part 107 Certified, offering aerial cinematography, photography, FPV filming, 3D modeling, ortho-mosaic imaging, stockpile and drainage analysis, roofing inspections, and agricultural monitoring for construction, agriculture, real estate, and land management clients.

360° walkthroughs3D Modelingaerial drone cinematographyaerial photographycrop health monitoringFPV drone filmingmultispectral imagingortho-mosaic imagingprogress monitoring and reportingroofing inspectionsstockpile analysis

Drexel, Barrell & Co. is a 100% employee-owned civil engineering and land surveying consultant serving public and private sector infrastructure clients across Colorado for more than 77 years, since 1949. Headquartered in Lafayette with a branch office in Colorado Springs, the firm delivers integrated engineering and surveying services from planning through construction inspections and acceptance.

ALTA Surveysboundary surveyscivil engineeringconstruction oversightconstruction stakingdetention designGPS surveyingland surveyingrobotics surveyingtopographic surveysutility locating

GarzaEMC is a civil engineering, design, management, and consulting firm serving public and private sector clients. Established in 2012, it has five offices across Texas and Tennessee and is one of the largest civil engineering land development firms in Texas. Its expertise includes site development, water and wastewater infrastructure design, roadway design, construction management, and management consulting.

civil engineering designconstruction administrationconstruction managementerosion and sedimentation controlgeometric designgrading plansH&H analysisland planningManagement consultingpermittingroadway and transportation designsite developmenttraffic control planstraffic engineeringutility coordinationwater and wastewater infrastructure design

HCF PLLC is a multi-disciplinary civil engineering firm specializing in water resources and site design for both public and private sectors. Founded in 2016 and based in Sandy, Utah, it provides expertise in drainage analysis, flood mitigation, stormwater management, and federal infrastructure projects, with experience working with regulatory agencies and ensuring compliance with FEMA, State, and Federal guidelines. Licensed in Utah, Idaho, Nevada, Colorado, Florida, Kansas, and Wyoming.

Construction Servicesculvert sizing and designFEMA floodplain compliance and permittingflood mitigationfloodplain mapping and analysisGIS mappinggrading and earthwork designHydrologic and hydraulic modelingpermittingpipeline designsite designstormwater management