Inquiry For inquiries regarding electrical work and construction, or for job inquiries and applications, please feel free to contact us using the information below. TEL. 045-568-4698 FAX: 045-744-5641 info@alva.yokohama If you wish to contact us via form, please use the link below. For consultations and requests regarding construction and building work. Inquiry Form For questions or applications regarding job openings Application Form Services About Us Jobs Inquiry