由於現今汽車運輸業的競爭市場裡日益遽烈，顧客對於運輸服務的要求也逐漸提高，在面對外在環境不斷的產生變化，而汽車運輸業的經營策略是否能夠跟得上產業變化的腳步，在經營方向上必需做適度的調整與變化，所以當產業與經濟情勢產生重大變革的同時，才能夠持續的穩健經營，而為了永續經營往往必需尋求其它經營模式。由於近年來隨著產業多角化、國際化及科技的突飛猛進，所以多角化也成為企業的重要手段與策略，利用多角化的經營方式，來分散風險，獲取更高的利潤。個案公司為突破經營之問題，除了增強主要貨物運輸的核心能力外，更透過多角化經營的結合來提升經營績效，並增進競爭力並以鞏固客源。本研究採用個案研究方法，以個案公司為研究對象，探討在面臨外在及內在環境影響下，如何以多角化經營來提升公司經營績效，達到企業永續經營，就多角化如何擬定及執行的研究。
本研究之研究結論如下：
(一)有效的多角化策略需以核心競爭力為基礎，才可企業能創造出綜效。
(二)個案公司多角化動機係因提升公司經營績效，達企業永續經營。
(三)個案公司為提升顧客滿意度，增強競爭力，提供一條龍方式的多角化經
營模式。
(四)個案公司以「相關多角化｣為進入多角化經營的主要考量因素，且因內部資源的有效運用，其經營有發揮出績效。
(五)個案公司之「非相關多角化｣經營，並無有效發揮其績效。

As competition in the automotive industry gets stiffer by the day, the
consumer expects better customer service from service providers as well. Faced
with rapid changes in the external environment, automotive companies have to
keep up with the changes and adjust their business strategies in order to survive
in the industry. To achieve sustained growth, many companies have changed
their business models. In recent years, diversification, internationalization and
technological growths have been major global trends. Diversification has
become one of the main strategies employed by companies to spread their risks
and obtain higher profit margins. In our case study, apart from strengthening its
core competency of logistics, the company also sought to increase its business
performance via diversification, becoming more competitive and retaining
customer loyalty. This paper uses the case study method to analyze the internal
and external challenges faced by the company, how it used diversification to
increase its business performance and achieve sustained growth, as well as
studying how to implement diversification.
This paper concludes that:
1. An organization needs to craft its diversification strategy around its
core competencies in order to succeed.
2. In the case study, the company managed to improve its business
performance through diversification and achieved sustained growth.
3. In the case study, in order to improve customer satisfaction, the
company diversified their business through vertical integration.
4. In the case study, the company made its diversification strategy
decisions based on related diversification. As they were able to utilize
their strengths in resource management, they were able to improve the company’s performance.
5. In the case study, non-related diversification ventures were ineffective
in improving performance.

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三、網站部分
1. 公開資訊觀測站，http://mops.twse.com.tw
2. 台灣經濟研究院產經資料庫，http://tie.tier.org.tw
3. 交通部，http://www.motc.gov.tw
4. 個案公司網站，http://www.slc.com.tw