Advertising agency services; professional business consultancy; marketing research; commercial sales information supply, namely, commercial information agency services; preparation, auditing and certification of financial statements; referral service/personal placement, namely, employment agency services; auctioneering, import-export clearance agencies; document reproduction; shorthand, namely, stenography; stenographic transcription and stencil paper writing services for others; computerized file management; rental/leasing of publicity materials; rental/leasing of typewriters/copy machine/word processors; office machine and equipment rentals