美国Advanced Geosciences, Inc (AGI)  www.agiusa.com
美国AGI公司成立于1982年，是生产倾斜计、测斜仪和数据采集系统的专业厂家，竭诚为工程和科技界提供各种高精度电解质倾斜计，产品包括各种：未经封装室内应用的倾斜计；完全密封室外应用的倾斜计。为电站、水利设施、能源、矿山、航空、岩土、施工、工业工程以及其它高能物理研究机构提供各种监测仪器和服务。
AGI公司是国际知名的地球物理仪器公司，其高密度直流电阻率与激电仪器是目前国际上最选进的直流电阻率仪器之一，在美国拥有多项专利
Advanced Geosciences, Inc (AGI) is a high-tech manufacturer of geophysical imaging systems. The company is based in Austin, Texas, USA and has been active in the geophysical field since 1989. Our state-of-the-art products include SuperSting R8 IP, SuperSting Marine, SuperSting R1 IP, and MiniSting memory earth resistivity/IP meters, Swift dual-mode automatic smart electrodes (US patent 6,404,203), graphite electrodes (US Patent 6,674,286), and resistivity and IP modeling and inversion software EarthImager for 2D and 3D applications.

AGI boasts the leading developer and manufacturer of both hardware and software for electrical resistivity and IP imaging in the world. AGI instruments and modeling software are delivered to all continents. We have customers in more than 30 countries such as USA, Canada, South America, Asia and most European countries. Our customers include government agencies, universities, research institutions, and environmental and engineering firms. We are proud that scientists and researchers around the world have been using our electrical imaging instruments and software for cutting-edge research and solving real-world problems. Our resistivity and IP imaging systems may be used for:

Cavity and sinkhole detection
Depth to the bedrock determination
Site characterization
Groundwater exploration
Lithology mapping
Mineral exploration
Archaeological site investigation
Detection of free products of non-aqueous phase liquids (NAPL)
Monitoring of remediation processes such as steam enhanced remediation and in-situ air-sparging
Monitoring of subsurface processes such as groundwater recharge, infiltration, saltwater intrusion, tunneling, dam leakage and in-situ mining