Sig Manufacturing Co
Sig Manufacturing Co designs, manufactures, and distributes model airplane kits, ARFs, finishing products, and hobby supplies for radio control and free flight aviation enthusiasts through its direct-to-consumer e-commerce store.
- Company typePrivate
- Founded1951
- HeadquartersDes Plaines, United States
- Headcount11–50
- GTM typeB2C
- OfferingHardware or Manufacturing
What Sig Manufacturing Co does
Sig Manufacturing Co., Inc. (founded 1951, Des Plaines, Illinois) designs, manufactures, and distributes model aircraft kits and accessories for the radio control and free flight modeling hobby. The company's core product lines are SIG ARFs (Almost Ready to Fly pre-assembled aircraft such as the KADET, FOUR-STAR, RASCAL, and SOMETHIN' EXTRA series), traditional SIG R/C build-it-yourself kits, and rubber-powered Free Flight kits. SIG also produces a proprietary finishing ecosystem — Supercoat fuel-proof dope in 19 colors, Lite-Coat and Flat-Coat specialty dopes, Nitrate Clear Dope, Stix-It covering adhesive, Koverall heat-shrinkable fabric, and thinners/retarders — and supplies raw materials (Finnish plywood, basswood, balsa) and hardware components (bellcranks, hinges, control horns, fasteners).
The business model is direct-to-consumer e-commerce through a Shopify storefront at sigmfg.com, with free shipping on domestic orders over $150 and international shipping available globally. SIG complements its own branded products by reselling third-party brands including Seagull Models ARFs, KAVAN RC accessories, FrSKY radio systems, and Gens Ace batteries, making the storefront a one-stop supplier for model aviation hobbyists. Pricing is unit-based across ARFs ($254–$1,095), kits ($5–$289), materials, and components, with replacement parts for SIG, Seagull, and R/C kits creating an installed-base revenue stream. The primary customer segments are R/C model airplane enthusiasts ranging from beginners to advanced pilots, supplemented by model aviation clubs that use SIG aircraft as training platforms. The company has been continuously operating for over 75 years and remains privately held by founder-family ownership with no external funding, parent company, or institutional investor involvement.
Sig Manufacturing Co firmographics
Firmographics- Name
- Sig Manufacturing Co
- Legal name
- SIG Mfg. Co., Inc.
- Website
- https://sigmfg.com
- Company type
- Private
- Founded year
- 1951
- Operating status
- Operating
- Headcount range
- 11–50 employees
- Short description
- Sig Manufacturing Co designs, manufactures, and distributes model airplane kits, ARFs, finishing products, and hobby supplies for radio control and free flight aviation enthusiasts through its direct-to-consumer e-commerce store.
- Ownership category
- akta.pro rank
Sig Manufacturing Co industry classification
Industry- Product category
- Model Aircraft & Hobby Aviation Supplies
- NAICS
- Aircraft Manufacturing (336411)
- SIC
- Sporting & Athletic Goods, Nec (3949)
- akta.pro primary industry
- Fixed-Wing Aircraft Kits & Experimental Aircraft Manufacturing (IMABAAAJ)
- akta.pro secondary industry
- Training & Light Sport Fixed-Wing Aircraft Manufacturing (IMABAAAE)
Keywords
Where Sig Manufacturing Co is headquartered
LocationHeadquarters
- HQ city
- Des Plaines
- HQ country
- United States
- HQ region
- North America
Offices1 record
Markets served
Sig Manufacturing Co business model
Business model- GTM type
- B2C
- Offering type
- Hardware or Manufacturing
- Cost components
- Supply Chain, Operations, Personnel, Marketing or Sales, Technology or R&D, Infrastructure
Revenue model
- Direct E-commerce Sales: Sig Manufacturing generates revenue through direct-to-consumer online sales via their Shopify e-commerce platform. They sell model aircraft kits (ARFs and build-it-yourself kits), hobby supplies, wood products, paints, adhesives, hardware, and accessories. Some products include shipping surcharges, with free shipping on orders over $150 in the contiguous US.
- Replacement Parts Sales: Ongoing revenue from replacement parts for previously sold aircraft models including ARF parts and R/C kit parts.
Pricing tiers
| Model | Billing | Price |
|---|---|---|
| Unit Pricing | Pay-as-you-go | Model Aircraft ARFs (Almost Ready to Fly) |
| Unit Pricing | Pay-as-you-go | SIG R/C Build-It-Yourself Kits |
| Unit Pricing | Pay-as-you-go | Wood Products (Balsa, Basswood, Plywood) |
| Unit Pricing | Pay-as-you-go | Paints and Finishing Products |
| Unit Pricing | Pay-as-you-go | Glues and Adhesives |
| Unit Pricing | Pay-as-you-go | Field Equipment and Accessories |
Go-to-market motion1 record
Distribution channels2 records
Marketing channels2 records
Sig Manufacturing Co product offering
Product offeringCore offering
Sig Manufacturing designs, manufactures, and sells radio-controlled (R/C) and free flight model airplane kits, including pre-assembled ARF (Almost Ready to Fly) aircraft and traditional build-it-yourself balsa kits. The company also distributes a comprehensive supporting ecosystem of materials and accessories such as Finnish plywood, basswood, fuel-proof dope paints, covering adhesives, hardware components, electric motors, servos, and field equipment to model aviation hobbyists worldwide.
Product overview
Sig Manufacturing Co is a model airplane and hobby company established in 1951, offering a comprehensive range of products for the radio control and free flight modeling community. The company operates primarily through three product lines: SIG ARFS (Almost Ready to Fly pre-assembled aircraft), SIG R/C Kits (traditional balsa wood assembly kits), and Free Flight Kits (rubber-powered competition models). Supporting these core offerings is an extensive portfolio of finishing products including SIG Supercoat fuel-proof dope paints available in 19 colors, Lite-Coat and Flat-Coat specialty dopes, Stix-It covering adhesive, and Koverall heat-shrinkable fabric. The company also supplies raw materials (Finnish plywood, basswood, balsa sheets), hardware components (bellcranks, hinges, control horns), and distributes complementary brands including Seagull ARF aircraft, KAVAN accessories, FrSKY radio systems, and Gens Ace batteries. The product ecosystem is completed with field equipment, tools, propellers, and fuel, making Sig Manufacturing a one-stop supplier for model aviation enthusiasts.
Differentiator
Problem solved
Functional benefit
Brands
- Seagull: Seagull Models ARF (Almost Ready to Fly) aircraft, including warbirds, civilian aircraft, and aerobatic planes.
Products and services
- SIG ARF Aircraft (Almost Ready to Fly) Pre-assembled model aircraft requiring minimal completion work before flying, including the KADET LT-40, KADET Senior Sport, Four-Star series, Rascal series, T-Clips, and Somethin' Xtra, targeted at R/C model airplane hobbyists.
- SIG R/C Build-It-Yourself Kits Traditional balsa wood model airplane kits requiring full assembly by the hobbyist, including trainer, aerobatic, and scale aircraft kits, sold to R/C modeling enthusiasts.
- Free Flight Kits
- Seagull ARF Aircraft
- SIG Finishing Products
- Wood Products (Plywood, Basswood, Wingskins)
- SIG Hardware Components
- SIG Replacement Parts
- Electric Power Components (Motors, Servos, ESCs, Spinners)
- FrSKY Radio Control Systems & Batteries
- Rubber Power Accessories & Free Flight Supplies
- Field Equipment & KAVAN Accessories
- Sig Somethin' Xtra 60 Size EG ARF
Companies that use Sig Manufacturing Co
Customer profileSegments2 records
Ideal customer profiles2 records
Sig Manufacturing Co technology and API
TechnologyTechnology focussed No
API detail
- Has API
- No
- API docs
- API detail
Core technology
AI maturity
App detail
Feature4 records
Sig Manufacturing Co partnerships and signals
Strategic signalScale indicators3 records
Recent moves6 records
Expansion highlights4 records
Sig Manufacturing Co competitors and assessment
Company assessmentDirect peers
- Tower Hobbies: Long-standing US retailer and direct competitor in R/C model aircraft kits, ARFs, and accessories. It is the largest comparable operator in Sig's niche across model aviation, distributing competing kit brands and electronics.
- HobbyKing: Global direct-to-consumer R/C retailer carrying competing ARF/PNP model aircraft, electronics, motors, and accessories. Closely overlapping catalog categories from a more aggressive price-positioning angle.
- Great Planes Model Manufacturing: Direct competitor with a similar kit and ARF model aircraft portfolio targeting sport, trainer, and aerobatic pilots. Historically one of the closest comparable kit manufacturers to Sig before its parent Hobbico's wind-down.
- Midwest Products: Direct peer offering balsa, plywood, basswood, and model aircraft kits to hobby builders. Closely comparable raw materials and lightweight wood product lines to Sig's wood and finishing categories.
- Stevens Aero: Small-scale direct competitor focused on micro and indoor electric R/C model aircraft kits, overlapping Sig's trainer and indoor-friendly positioning but at smaller sizes.
- Brodak Models: Specialty manufacturer of control line and free flight model kits with related finishing products, partially overlapping Sig's free flight kit and dope offerings for traditional hobbyists.
- Sterling Models: Legacy American kit manufacturer producing balsa R/C and free flight model airplane kits comparable to Sig's traditional kit lines.
- Guillow's: Historic wooden model airplane kit manufacturer (since 1926) competing directly with Sig's traditional balsa R/C and free flight kits for indoor and rubber-powered scale model builders.
Broad incumbents
- Horizon Hobby: Largest US R/C hobby distributor with a portfolio of proprietary kit/ARF brands (E-flite, Hangar 9, ParkZone, Blade). Overlaps Sig on ARF model aircraft and electronics, but operates far more broadly across multiple R/C categories.
Emerging players
- E-flite: Horizon Hobby-owned brand specializing in smaller, ready-to-fly and Bind-N-Fly electric aircraft that addresses the lower end of Sig's trainer market with a more accessible build format.
Market position
Strengths4 records
Weaknesses4 records
Competitive moat4 records
Key risks6 records
Key highlights7 records
Customer concentration
Sig Manufacturing Co social profiles
Digital presenceSig Manufacturing Co financial estimates
Financial estimateRevenue estimate
Valuation estimate
Sig Manufacturing Co leadership team
Management profileNumber of profiles
Sig Manufacturing Co funding detail
Funding detailFunding overview
Funding rounds
Investors
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
Sig Manufacturing Co M&A and investment
M&A and investmentM&A
Investments
M&A and investment is available on the Subscription and Enterprise plan.Contact sales →
Frequently asked questions about Sig Manufacturing Co
What does Sig Manufacturing Co do?
Sig Manufacturing designs, manufactures, and sells radio-controlled (R/C) and free flight model airplane kits, including pre-assembled ARF (Almost Ready to Fly) aircraft and traditional build-it-yourself balsa kits. The company also distributes a comprehensive supporting ecosystem of materials and accessories such as Finnish plywood, basswood, fuel-proof dope paints, covering adhesives, hardware components, electric motors, servos, and field equipment to model aviation hobbyists worldwide.
Is Sig Manufacturing Co a public or private company?
Sig Manufacturing Co is a private company. It is classified as founder individual operated bootstrapped and is currently operating.
When was Sig Manufacturing Co founded?
Sig Manufacturing Co was founded in 1951. It employs 11 to 50 people.
Where is Sig Manufacturing Co based?
Sig Manufacturing Co is headquartered in Des Plaines, United States, in the North America region.
How does Sig Manufacturing Co make money?
Two revenue lines are on record. Direct E-commerce Sales are the primary driver. The others are replacement Parts Sales.
Who are Sig Manufacturing Co's main competitors?
Direct peers on record are Tower Hobbies, HobbyKing, Great Planes Model Manufacturing, Midwest Products, Stevens Aero, Brodak Models, Sterling Models and Guillow's. Horizon Hobby is listed as a broad incumbent. E-flite is listed as an emerging player.
Does Sig Manufacturing Co have an API?
No public API is recorded for Sig Manufacturing Co.
What industry is Sig Manufacturing Co in?
Sig Manufacturing Co's product category is Model Aircraft & Hobby Aviation Supplies. Its primary akta.pro industry code is IMABAAAJ, Fixed-Wing Aircraft Kits & Experimental Aircraft Manufacturing, with a secondary code of IMABAAAE, Training & Light Sport Fixed-Wing Aircraft Manufacturing. Its NAICS code is 336411 and its SIC code is 3949.