
Aixam-Mega is a French automobile manufacturer based in Aix-les-Bains, Savoie. It was founded in 1983 to make microcars following the acquisition of Arola. On 11 April 2013, US based Polaris Industries announced that it had acquired Aixam-Mega from previous owners Axa Private Equity.

Automobiles Chatenet is a manufacturer of microcars based in the Haute-Vienne department of France. The company was founded in 1984 by Louis-Georges Chatenet.
Microcar is a term often used for the smallest size of cars, with three or four wheels and often an engine smaller than 700 cc (43 cu in). Specific types of microcars include bubble cars, cycle cars, invacar, quadricycles and voiturettes, and the Japanese equivalent is the kei car.

Casalini is an Italian company, founded by Giovanni Casalini in 1939, that makes mopeds and microcars. Casalini S.r.l. is the oldest microcar producer in the world. The factory is situated in Piacenza.

The Citroën Ami is a 2-passenger electric quadricycle developed by the French manufacturer Citroën, produced from 2020 and marketed from June 2020. It was announced as the concept car Ami One. It is named after the original Citroën Ami, which was marketed from 1961 to 1978.

Birò is a four-wheeled electric vehicle with two seats side-by-side. It is produced and distributed by Estrima, an Italian company located in Pordenone. It belongs to the category of electric mopeds, in particular to light quadricycle mopeds. In some countries it is legally comparable to a 50 cc (3.1 cu in) moped: its maximum speed is 45 km/h (28 mph) and can go up to 55 km/h (34 mph) with a minor controller update. In Italy it can be driven from the age of 14 with a driver's license.

International Surrey Company Ltd., also called "The Surrey Company", is a quadracycle manufacturer based in La Marque, Texas, United States. The company began production in the mid-1980s and specializes in providing products for the quadracycle rental market.

Ligier is a French automobile and minibus maker created by former racing driver and rugby player Guy Ligier, specialized in the manufacturing of microcars. Ligier is best known for its involvement in the Formula 1 World Championship between 1976 and 1996.

The Ligier JS4 is a four-wheeled, two-seater microcar manufactured from 1980 to 1983 by Ligier, the street vehicle branch of French Formula One manufacturer Equipe Ligier. It marked a change in Ligier's priorities as they had recently ended manufacture of the Ligier JS2 sports car. It is a "Voiture sans permis", a light vehicle which did not require a driver's license and was thus popular with the elderly, the young, or with those who had lost theirs. It was first presented on 25 July 1980.
The SMERA is an ultracompact battery electric vehicle (BEV) concept car produced by Lumeneo. The concept car is a two-seater tilting car which tilts up to 25° in curves. With a length of 2500 mm and width of 960 mm, it is something between an electric car and a scooter and includes a lithium ion battery pack. It is regulated in Europe as a car. Its speed is listed as 110 km/h (68 mph) with a range of 100 kilometres (62 mi). It made its debut at the 2008 Paris Motor Show.
Microcar is a term often used for the smallest size of cars, with three or four wheels and often an engine smaller than 700 cc (43 cu in). Specific types of microcars include bubble cars, cycle cars, invacar, quadricycles and voiturettes, and the Japanese equivalent is the kei car.
The Nissan Land Glider is an electric concept car presented by the Japanese car manufacturer Nissan at the 2009 Tokyo Motor Show.
Prinetti & Stucchi, later Stucchi & Co., was an Italian maker of sewing machines, bicycles and motorized vehicles, established in Milan in 1883. It was owned by engineers and politicians Augusto Stucchi and Giulio Prinetti (1851–1908).
A quadracycle is a four-wheeled human-powered land vehicle. It is also referred to as a quadricycle, quadcycle, pedal car or four-wheeled bicycle amongst other terms.

Quadricycle refers to vehicles with four wheels.

The Renault Twizy is a two-seat microcar designed and marketed by Renault. It is classified in Europe as either a light or heavy quadricycle depending on the output power, which is either 4 kW (5.4 hp) for the 45 model or 13 kW (17 hp) for the 80 model, both names reflecting its top speed in km/h. Originally manufactured in Valladolid, Spain, production was moved to Busan in South Korea in March 2019 to meet increased demand in Asia.

The SEAT Minimó is a concept electric quadricycle developed by the Spanish car manufacturer SEAT. It was first announced at Mobile World Congress in Barcelona in February 2019, and was revealed in March at the Geneva International Motor Show, alongside the Volkswagen ID.3 based el-Born and Cupra Formentor concept vehicles. A production version of the Minimó is scheduled for 2021.

Uniti Sweden is a Swedish automotive startup founded in January 2016 by Lewis Horne (CEO) which is developing a high-tech electric city car in Lund, Sweden.

The Yamaha Tesseract was a hybrid electric concept vehicle introduced by Yamaha at the 2007 Tokyo Motor Show. Although the Tesseract is technically a quadricycle, Yamaha has called it "The 4-Wheeled Motorcycle" because it has a frontal profile nearly as narrow as a conventional motorcycle and because it has a tilting wheel suspension that allows it to bank like a motorcycle. This suspension, which Yamaha refers to as a "Dual Scythe Suspension", is similar to that of the 4MC concept vehicle. Yamaha experienced delays in its own patent filings with the European Patent Office as a result of patents held by the 4MC's inventor, Mike Shotter.