What American Science and Engineering does

American Science and Engineering (AS&E), founded in 1958 and headquartered in Billerica, Massachusetts, operates today as Rapiscan AS&E, a division of Rapiscan Systems, Inc., which is in turn a wholly-owned subsidiary of OSI Systems (NASDAQ: OSIS). The company designs and manufactures advanced security inspection systems that combine X-ray imaging (proprietary Z Backscatter and dual-energy transmission technologies), spectroscopic radiation detection, and optical inspection (undercarriage scanning, facial recognition, license plate/container code reading) into integrated screening platforms for vehicles, cargo, and personnel. Its product portfolio spans portal, gantry, mobile, trailer, rail, handheld, and software-based systems sold under the CARVIEW, EAGLE, ZBV, MINI Z, GUARDIAN, GATEKEEPER, and INSIGHT brands, with the INSIGHT suite applying AI/ML-based computer vision to assist operators in interpreting X-ray images.

The company's revenue model is anchored in direct enterprise sales to government and defense buyers — including customs and border protection agencies, military commands, port authorities, critical infrastructure operators, and law enforcement organizations — supplemented by recurring services revenue from installation, training, field maintenance, and managed screening operations (delivered through the S2 Global sub-brand). Pricing is quote-based and tied to government procurement contracts, with four discrete contract awards disclosed in 2026 alone totaling approximately $319 million (a $235 million Homeland Defense contract in April 2026, a $50 million services order in June 2026, a $19 million non-intrusive inspection deployment order in June 2026, and a $15 million cargo and vehicle inspection order in May 2026). Customer concentration is essentially total within the government and defense vertical, with named end-users drawn exclusively from public-sector security, customs, military, and law enforcement segments.

AS&E competes in structurally expanding end markets — the global airport security market is forecast to grow from $16.34 billion in 2025 to $37.84 billion in 2035 (8.8% CAGR), and the vehicle inspection system market from $1.85 billion in 2024 to $3.15 billion in 2032 (6.3% CAGR) — with North America holding roughly 34% of the airport security market. The original NASDAQ:ASEI listing has been delisted following integration into the OSI Systems parent structure.

Name

American Science and Engineering

Legal name

Rapiscan Systems, Inc.

Website

https://as-e.com

Company type

Public

Founded year

1958

Operating status

Operating

Headcount range

251–500 employees

Short description

Rapiscan AS&E (formerly American Science and Engineering), a division of OSI Systems, designs advanced X-ray, radiation detection, and optical inspection systems for vehicle, cargo, and personnel screening, sold primarily to government, defense, customs, and critical infrastructure customers globally.

Ownership category

akta.pro rank

Product category

Security Inspection and Screening Equipment

NAICS

Search, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument Manufacturing (334511), Irradiation Apparatus Manufacturing (334517), Security Systems Services (except Locksmiths) (561621)

SIC

X-Ray Apparatus & Tubes & Related Irradiation Apparatus (3844), Search, Detection, Navagation, Guidance, Aeronautical Sys (3812), Optical Instruments & Lenses (3827), Industrial Instruments For Measurement, Display, And Control (3823)

akta.pro primary industry

Radiation Detection Instruments & Systems (Portal monitors, spectrometers, contamination monitors) (EUAKAIAK)

akta.pro secondary industries

Industrial Vision & Quality Inspection (HDAAAEAG), Nonproliferation Technology & Detection (radiation portal monitors, RPMs, spectroscopy, forensics) (EUAKAJAG)

Keywords

• X-ray inspection systems
• Radiation detection equipment
• Security screening technology
• Cargo and vehicle inspection
• Threat detection systems

Headquarters

HQ city

Billerica

HQ country

United States

HQ region

North America

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

Technology or R&D, Personnel, Supply Chain, Operations, Infrastructure, Marketing or Sales

Revenue model

1. Security Inspection Systems Hardware: Sale of X-ray inspection systems, radiation detection equipment, and optical inspection solutions. Products sold include portal, gantry, mobile, trailer, and rail-mounted systems for cargo and vehicle screening.
2. Services and Support: Field service offerings, training programs, and managed services for screening operations. Includes technical support, preventative maintenance, and operator training.
3. Cybersecurity Solutions: Cybersecurity offerings for airport and critical infrastructure protection, addressing digital threats to security systems.

Go-to-market motion1 record

Distribution channels2 records

Marketing channels3 records

Core offering

American Science and Engineering, operating as Rapiscan AS&E, manufactures and sells advanced security inspection systems combining X-ray imaging, radiation detection, and optical inspection technologies. Its portfolio includes portal, gantry, mobile, trailer, rail, and handheld X-ray systems (Z Backscatter and transmission), the Guardian radiation detection family, and the Gatekeeper optical inspection product line. The company also offers the INSIGHT AI-powered operator assist software, field service, training, and managed screening services to government and defense customers worldwide.

Product overview

American Science and Engineering (AS&E), operating as Rapiscan AS&E, offers a comprehensive security inspection portfolio organized into three core technology pillars: X-ray Inspection systems, Radiation Detection equipment, and Optical Inspection solutions. The X-ray lineup includes portal, gantry, mobile, trailer, rail, and handheld systems under the CARVIEW and EAGLE brands, utilizing transmission and Z Backscatter imaging technologies. The GUARDIAN radiation detection family covers portal monitors (vehicle, pedestrian, spectroscopic), conveyor monitors, mobile monitors, handheld detectors, and industrial/area monitoring. The GATEKEEPER optical inspection portfolio includes undercarriage inspection systems (IVUS, ITUS), facial recognition (IVOD, IVOC), vehicle identification (ILPA, IVCA), container code reading (ISCD), and QR/RFID readers. The INSIGHT AI-powered operator assist software integrates across X-ray systems to enhance threat detection. Solutions span markets including ports, borders, critical infrastructure, event security, law enforcement, military, air cargo, steel and scrap, and industrial sectors, with managed services available through S2 Global.

Differentiator

Problem solved

Functional benefit

Brands

• Rapiscan: Primary brand for X-ray inspection, radiation detection, and optical inspection security systems
• AS&E (American Science and Engineering)
• Gatekeeper
• Guardian
• Eagle
• INSIGHT
• S2 Global

Products and services

• CARVIEW

Quantifiable outcome

• Multi-technology integrated checkpoint solutions combining intelligent optical inspection, non-intrusive X-ray inspection, and automatic radiation detection

Named customers4 records

Segments8 records

Ideal customer profiles5 records

Technology focussed Yes

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

AI capability2 records

Feature5 records

Scale indicators9 records

Recent moves6 records

Direct peers

• Smiths Detection: Smiths Detection is the leading global competitor in X-ray and trace detection security inspection for airports, ports, and borders, with a comparable portfolio of cargo, checkpoint, and hold-baggage screening systems directly overlapping AS&E's Eagle, ZBV, and CARVIEW product lines.
• Mirion Technologies: Mirion Technologies specializes in radiation detection, monitoring, and nuclear safeguards instrumentation, directly competing with AS&E's Guardian portal monitors, spectroscopic detectors, and steel/scrap radiation monitoring products.
• Nuctech: Nuctech is a China-based direct competitor offering X-ray, cargo, and vehicle inspection systems for customs, ports, and critical infrastructure globally, with overlapping product categories and competing aggressively in emerging markets and Belt-and-Road deployments.
• Astrophysics Inc. Astrophysics Inc. manufactures X-ray inspection systems for cargo, vehicles, and containers used at ports, borders, and military checkpoints, directly competing with AS&E's Eagle and Z Portal product lines in the non-intrusive inspection market.
• CEIA: CEIA is an Italian manufacturer of metal detection and electromagnetic inspection equipment for security screening, complementing AS&E's checkpoint offerings and competing in pedestrian and parcel screening use cases.

Broad incumbents

• Leidos: Leidos provides large-scale security screening services and technology to U.S. government agencies including TSA, CBP, and the DoD, operating as both a systems integrator and detection-technology provider that competes with AS&E for federal security inspection contracts.
• L3Harris Technologies: L3Harris is a large defense prime offering integrated security and detection solutions including checkpoint screening, cargo inspection, and force protection systems, competing with AS&E in U.S. government and military security programs as part of a much broader defense electronics portfolio.
• Thales Group: Thales provides integrated airport, border, and critical infrastructure security solutions including X-ray screening, biometrics, and command-and-control systems, with direct overlap to AS&E's Gatekeeper optical and Eagle X-ray inspection offerings.
• Teledyne FLIR: Teledyne FLIR supplies thermal imaging, CBRN detection, and surveillance systems to defense, homeland security, and critical infrastructure customers, with adjacent product overlap to AS&E's Gatekeeper optical inspection and threat detection portfolio.

Regional players

• Chemring Group: Chemring Group is a UK-based defense and security company providing detection, countermeasures, and EOD equipment, with comparable CBRN and threat detection products sold into NATO and Five Eyes markets that overlap with AS&E's Guardian radiation detection line.

Market position

Weaknesses5 records

Competitive moat5 records

Key risks6 records

Key highlights7 records

Customer concentration

• Xx.com/ase_detects

Revenue estimate

Valuation estimate

Number of profiles

Profiles1 record

Subsidiaries1 record

Funding overview

Funding rounds1 record

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about American Science and Engineering