925.03 REGISTRATION REQUIRED.
   No contractor shall perform any work in the City without first obtaining a certificate of registration from the City Engineer. Any contractor who contracts with the general public to perform work regulated by this chapter must be registered with the City to do such work.
   "Contractor", as used within this chapter, means any individual, firm, partnership, corporation, association or other organization, or any combination thereof, who or which by himself, or itself, or by or through others, constructs, alters, repairs, adds to, subtracts from, reconstructs or remodels any right-of-way improvement, or storm drainage improvement, or who or which undertakes or offers to undertake, or purports to have the capacity to undertake, or submits a bid to do such work. The term "contractor" includes a subcontractor and all specialty contractors whose operations as such are the performance of construction work requiring skills, including, but not limited to, plumbing, electrical, paving, landscaping, grading, drainage.
(1969 Code 155.21)